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            "text": "Journal of Natural Products, 1999, Vol. 62, No. 3 517",
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                    "text": "×",
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                    "id": "p14.8.15",
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                        "r": 529.2,
                        "b": 575.04
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                    "text": "₅₀",
                    "attrs": {
                        "inline": true,
                        "text_offset": 573,
                        "text_span": 10,
                        "bbox_estimated": true
                    }
                },
                {
                    "id": "p14.8.16",
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                        "r": 529.2,
                        "b": 575.04
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                    "text": "₅₀",
                    "attrs": {
                        "inline": true,
                        "text_offset": 596,
                        "text_span": 10,
                        "bbox_estimated": true
                    }
                },
                {
                    "id": "p14.8.17",
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                    "text": "₅₀",
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                    "text": "C₂₅H₆₄O₁₀",
                    "attrs": {
                        "latex": "C_{25}H_{64}O_{10}",
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                        "text_offset": 735,
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                        "alt": "C sub 25 H sub 64 O sub 10",
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                    "id": "p14.8.23",
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                    "type": "formula",
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                        "l": 64.08,
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                        "r": 529.2,
                        "b": 575.04
                    },
                    "text": "C₃₅H₆₄O₁₀",
                    "attrs": {
                        "latex": "C_{35}H_{64}O_{10}",
                        "inline": true,
                        "text_offset": 784,
                        "text_span": 10,
                        "bbox_estimated": true,
                        "alt": "C sub 35 H sub 64 O sub 10",
                        "mathml": "<math aria-label=\"C sub 35 H sub 64 O sub 10\" xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><msub><mi>C</mi><mrow><mn>35</mn></mrow></msub><msub><mi>H</mi><mrow><mn>64</mn></mrow></msub><msub><mi>O</mi><mrow><mn>10</mn></mrow></msub></mrow></math>"
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            "type": "formula",
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                "b": 525.12
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            "attrs": {
                "block_label": "image",
                "alt": "Skeletal structure of an annonaceous acetogenin-type bis-THF compound with butenolide, multiple hydroxyls, and a long alkyl…",
                "source": "vision"
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            "order": 41,
            "type": "text",
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                "b": 505.92
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            "text": "Position 7 8 11 12 14 16 19 20"
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            "text": "[p14.11.1]H (δ) 3.74 m 3.90 m 3.88 m 3.45 m 3.86 m 3.87 m 3.75 m 3.80 m\n [p14.11.2]C (δ) 71.0 82.2 83.0 74.0 68.0 67.7 71.6 71.0",
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                    "text": "\\begin{aligned} &{}^{1}\\mathbf{H}\\ (\\delta) \\quad 3.45\\ \\text{m} \\quad 3.78\\ \\text{m} \\quad 3.81\\ \\text{m} \\quad 3.40\\ \\text{m} \\quad 3.90\\ \\text{m} \\quad 3.90\\ \\text{m} \\quad 3.74\\ \\text{m} \\quad 3.79\\ \\text{m} \\\\ &{}^{13}\\mathbf{C}\\ (\\delta) \\quad 74.3 \\quad 82.9 \\quad 82.5 \\quad 74.3 \\quad 67.8 \\quad 67.4 \\quad 71.3 \\quad 70.9 \\\\ &[\\alpha]_D \\ +25^\\circ\\ (c\\ 1.00,\\ \\text{CHCl}_3);\\ \\text{UV}\\ (\\lambda_{\\max},\\ \\text{MeOH},\\ \\text{nm}):\\ 207.2\\ (\\log \\varepsilon\\ 4.0);\\ \\text{NMR:}\\ {}^{1}\\text{H NMR}\\ (400\\ \\text{MHz}\\ldots \\end{aligned}",
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                        "alt": "begin aligned & to the power of 1 mathbf H of delta 3.45 m 3.78 m 3.81 m 3.40 m 3.90 m 3.90 m 3.74 m 3.79 m & to the power of 13 mathbf C of delta 74.3 82.9 82.5 74.3 67.8 67.4 71.3 70.9 & alpha sub D plus 25 to the power of circ of c 1.00, CHCl sub 3 ; UV of lambda sub max, MeOH, nm : 207.2 times log varepsilon 4.0 ; NMR: to the power of 1 H NMR of 400 MHz ldots end aligned",
                        "notation": "latex",
                        "mathml": "<math aria-label=\"begin aligned &amp; to the power of 1 mathbf H of delta 3.45 m 3.78 m 3.81 m 3.40 m 3.90 m 3.90 m 3.74 m 3.79 m &amp; to the power of 13 mathbf C of delta 74.3 82.9 82.5 74.3 67.8 67.4 71.3 70.9 &amp; alpha sub D plus 25 to the power of circ of c 1.00, CHCl sub 3 ; UV of lambda sub max, MeOH, nm : 207.2 times log varepsilon 4.0 ; NMR: to the power of 1 H NMR of 400 MHz ldots end aligned\" xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><mrow><mi>&</mi><msup><mrow /><mrow><mn>1</mn></mrow></msup><mi>&#x1D407;</mi><mtext>&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><mi>&#x003B4;</mi><mo stretchy=\"false\">&#x00029;</mo><mspace width=\"1em\" /><mn>3.45</mn><mtext>&#x000A0;</mtext><mtext>m</mtext><mspace width=\"1em\" /><mn>3.78</mn><mtext>&#x000A0;</mtext><mtext>m</mtext><mspace width=\"1em\" /><mn>3.81</mn><mtext>&#x000A0;</mtext><mtext>m</mtext><mspace width=\"1em\" /><mn>3.40</mn><mtext>&#x000A0;</mtext><mtext>m</mtext><mspace width=\"1em\" /><mn>3.90</mn><mtext>&#x000A0;</mtext><mtext>m</mtext><mspace width=\"1em\" /><mn>3.90</mn><mtext>&#x000A0;</mtext><mtext>m</mtext><mspace width=\"1em\" /><mn>3.74</mn><mtext>&#x000A0;</mtext><mtext>m</mtext><mspace width=\"1em\" /><mn>3.79</mn><mtext>&#x000A0;</mtext><mtext>m</mtext><mspace linebreak=\"newline\" /><mi>&</mi><msup><mrow /><mrow><mn>13</mn></mrow></msup><mi>&#x1D402;</mi><mtext>&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><mi>&#x003B4;</mi><mo stretchy=\"false\">&#x00029;</mo><mspace width=\"1em\" /><mn>74.3</mn><mspace width=\"1em\" /><mn>82.9</mn><mspace width=\"1em\" /><mn>82.5</mn><mspace width=\"1em\" /><mn>74.3</mn><mspace width=\"1em\" /><mn>67.8</mn><mspace width=\"1em\" /><mn>67.4</mn><mspace width=\"1em\" /><mn>71.3</mn><mspace width=\"1em\" /><mn>70.9</mn><mspace linebreak=\"newline\" /><mi>&</mi><mo stretchy=\"false\">[</mo><mi>&#x003B1;</mi><msub><mo stretchy=\"false\">]</mo><mi>D</mi></msub><mtext>&#x000A0;</mtext><mo>&#x0002B;</mo><msup><mn>25</mn><mo>&#x02218;</mo></msup><mtext>&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><mi>c</mi><mtext>&#x000A0;</mtext><mn>1.00</mn><mo>&#x0002C;</mo><mtext>&#x000A0;</mtext><msub><mtext>CHCl</mtext><mn>3</mn></msub><mo stretchy=\"false\">&#x00029;</mo><mi>;</mi><mtext>&#x000A0;</mtext><mtext>UV</mtext><mtext>&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><msub><mi>&#x003BB;</mi><mrow><mo>max</mo></mrow></msub><mo>&#x0002C;</mo><mtext>&#x000A0;</mtext><mtext>MeOH</mtext><mo>&#x0002C;</mo><mtext>&#x000A0;</mtext><mtext>nm</mtext><mo stretchy=\"false\">&#x00029;</mo><mi>:</mi><mtext>&#x000A0;</mtext><mn>207.2</mn><mtext>&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><mi>log</mi><mi>&#x003B5;</mi><mtext>&#x000A0;</mtext><mn>4.0</mn><mo stretchy=\"false\">&#x00029;</mo><mi>;</mi><mtext>&#x000A0;</mtext><mtext>NMR:</mtext><mtext>&#x000A0;</mtext><msup><mrow /><mrow><mn>1</mn></mrow></msup><mtext>H&#x000A0;NMR</mtext><mtext>&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><mn>400</mn><mtext>&#x000A0;</mtext><mtext>MHz</mtext><mi>&#x02026;</mi></mrow></mrow></math>"
                    }
                }
            ]
        },
        {
            "id": "p14.16",
            "order": 58,
            "type": "text",
            "bbox": {
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            "text": "White waxy solid.[p14.16.1]: +25° (c 1.00, CHCl_{3}). UV ([p14.16.2], MeOH, nm): 207.2 (log[p14.16.3] 4.0). NMR: [p14.16.4]H NMR (400MHz, CDCl_{3}), [p14.16.5]C NMR (50MHz, CDCl_{3}). Derivatives: peracetate (1H NMR), acetonide (1H NMR). Source: Annona coriacea, roots.\n24. coriacyclodienin[p14.16.6] ([p14.16.7], MW572)",
            "children": [
                {
                    "id": "p14.16.1",
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                    "type": "formula",
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                    "text": "\\text{White waxy solid. } [\\alpha]_{D}: +25^\\circ\\ (c\\ 1.00, \\text{CHCl}_3). \\text{UV } (\\lambda_{\\max}, \\text{MeOH, nm}): 207.2\\ (\\log \\epsilon\\ 4.0). \\text{NMR: }{}^{1}\\text{H NMR (400 MHz, CDCl}_3), {}^{13}\\text{C NMR} (50\\text{ MHz, CDCl}_3). \\text{Derivatives: peracetate } ({}^{1}\\text{H NMR}), \\text{ acetonide } ({}^{1}\\text{H NMR}). \\text{Source: } \\textit{Annona coriacea}\\text{, roots.}\\\\ \\textbf{24. coriacyclodienin}^{111}\\ (\\text{C}_{37}\\text{H}_{64}\\text{O}_{7}, \\text{MW } 572)",
                    "attrs": {
                        "latex": "\\text{White waxy solid. } [\\alpha]_{D}: +25^\\circ\\ (c\\ 1.00, \\text{CHCl}_3). \\text{UV } (\\lambda_{\\max}, \\text{MeOH, nm}): 207.2\\ (\\log \\epsilon\\ 4.0). \\text{NMR: }{}^{1}\\text{H NMR (400 MHz, CDCl}_3), {}^{13}\\text{C NMR} (50\\text{ MHz, CDCl}_3). \\text{Derivatives: peracetate } ({}^{1}\\text{H NMR}), \\text{ acetonide } ({}^{1}\\text{H NMR}). \\text{Source: } \\textit{Annona coriacea}\\text{, roots.}\\\\ \\textbf{24. coriacyclodienin}^{111}\\ (\\text{C}_{37}\\text{H}_{64}\\text{O}_{7}, \\text{MW } 572)",
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                        "alt": "White waxy solid. alpha sub D : plus 25 to the power of circ of c 1.00, CHCl sub 3 . UV of lambda sub max, MeOH, nm : 207.2 times log epsilon 4.0 . NMR: to the power of 1 H NMR of 400 MHz, CDCl sub 3, to the power of 13 C NMR of 50 MHz, CDCl sub 3 . Derivatives: peracetate of to the power of 1 H NMR, acetonide of to the power of 1 H NMR . Source: textit Annona coriacea, roots. textbf 24. coriacyclodienin to the power of 111 times C sub 37 H sub 64 O sub 7, MW 572",
                        "mathml": "<math aria-label=\"White waxy solid. alpha sub D : plus 25 to the power of circ of c 1.00, CHCl sub 3 . UV of lambda sub max, MeOH, nm : 207.2 times log epsilon 4.0 . NMR: to the power of 1 H NMR of 400 MHz, CDCl sub 3, to the power of 13 C NMR of 50 MHz, CDCl sub 3 . Derivatives: peracetate of to the power of 1 H NMR, acetonide of to the power of 1 H NMR . Source: textit Annona coriacea, roots. textbf 24. coriacyclodienin to the power of 111 times C sub 37 H sub 64 O sub 7, MW 572\" xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><mtext>White&#x000A0;waxy&#x000A0;solid.&#x000A0;</mtext><mo stretchy=\"false\">[</mo><mi>&#x003B1;</mi><msub><mo stretchy=\"false\">]</mo><mrow><mi>D</mi></mrow></msub><mi>:</mi><mo>&#x0002B;</mo><msup><mn>25</mn><mo>&#x02218;</mo></msup><mtext>&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><mi>c</mi><mtext>&#x000A0;</mtext><mn>1.00</mn><mo>&#x0002C;</mo><msub><mtext>CHCl</mtext><mn>3</mn></msub><mo stretchy=\"false\">&#x00029;</mo><mo>&#x0002E;</mo><mtext>UV&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><msub><mi>&#x003BB;</mi><mrow><mo>max</mo></mrow></msub><mo>&#x0002C;</mo><mtext>MeOH,&#x000A0;nm</mtext><mo stretchy=\"false\">&#x00029;</mo><mi>:</mi><mn>207.2</mn><mtext>&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><mi>log</mi><mi>&#x003F5;</mi><mtext>&#x000A0;</mtext><mn>4.0</mn><mo stretchy=\"false\">&#x00029;</mo><mo>&#x0002E;</mo><mtext>NMR:&#x000A0;</mtext><msup><mrow /><mrow><mn>1</mn></mrow></msup><msub><mtext>H&#x000A0;NMR&#x000A0;(400&#x000A0;MHz,&#x000A0;CDCl</mtext><mn>3</mn></msub><mo stretchy=\"false\">&#x00029;</mo><mo>&#x0002C;</mo><msup><mrow /><mrow><mn>13</mn></mrow></msup><mtext>C&#x000A0;NMR</mtext><mo stretchy=\"false\">&#x00028;</mo><mn>50</mn><msub><mtext>&#x000A0;MHz,&#x000A0;CDCl</mtext><mn>3</mn></msub><mo stretchy=\"false\">&#x00029;</mo><mo>&#x0002E;</mo><mtext>Derivatives:&#x000A0;peracetate&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><msup><mrow /><mrow><mn>1</mn></mrow></msup><mtext>H&#x000A0;NMR</mtext><mo stretchy=\"false\">&#x00029;</mo><mo>&#x0002C;</mo><mtext>&#x000A0;acetonide&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><msup><mrow /><mrow><mn>1</mn></mrow></msup><mtext>H&#x000A0;NMR</mtext><mo stretchy=\"false\">&#x00029;</mo><mo>&#x0002E;</mo><mtext>Source:&#x000A0;</mtext><mtext mathvariant=\"italic\">Annona&#x000A0;coriacea</mtext><mtext>,&#x000A0;roots.</mtext><mspace linebreak=\"newline\" /><msup><mtext mathvariant=\"bold\">24.coriacyclodienin</mtext><mrow><mn>111</mn></mrow></msup><mtext>&#x000A0;</mtext><mo stretchy=\"false\">&#x00028;</mo><msub><mtext>C</mtext><mrow><mn>37</mn></mrow></msub><msub><mtext>H</mtext><mrow><mn>64</mn></mrow></msub><msub><mtext>O</mtext><mrow><mn>7</mn></mrow></msub><mo>&#x0002C;</mo><mtext>MW&#x000A0;</mtext><mn>572</mn><mo stretchy=\"false\">&#x00029;</mo></mrow></math>"
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                    "text": "\\lambda_{max}",
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                    "text": "ε",
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                    "text": "¹",
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                    "text": "¹³",
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                {
                    "id": "p14.16.6",
                    "order": 64,
                    "type": "formula",
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                        "b": 338.4
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                    "text": "¹¹¹",
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                        "latex": "^{111}",
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                        "text_offset": 290,
                        "text_span": 10,
                        "bbox_estimated": true,
                        "alt": "to the power of 111",
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                },
                {
                    "id": "p14.16.7",
                    "order": 65,
                    "type": "formula",
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                        "l": 62.64,
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                    "text": "\\text{White waxy solid. }[\\alpha]_D\\text{: }+25^\\circ\\text{ (}c\\text{ 1.00, CHCl}_3\\text{). UV }(\\lambda_{\\max}\\text{, MeOH, nm): 207.2 (log}\\,\\epsilon\\text{ 4.0). NMR: }{}^1\\text{H NMR (400 MHz, CDCl}_3\\text{), }{}^{13}\\text{C NMR (50 MHz, CDCl}_3\\text{). Derivatives: peracetate (}{}^1\\text{H NMR), acetonide (}{}^1\\text{H NMR). Source: }\\textit{Annona coriacea}\\text{, roots.} \\text{24. coriacyclodienin}^{111}\\text{ (C}_{37}\\text{H}_{64}\\text{O}_7\\text{, MW 572)}",
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                        "latex": "\\text{White waxy solid. }[\\alpha]_D\\text{: }+25^\\circ\\text{ (}c\\text{ 1.00, CHCl}_3\\text{). UV }(\\lambda_{\\max}\\text{, MeOH, nm): 207.2 (log}\\,\\epsilon\\text{ 4.0). NMR: }{}^1\\text{H NMR (400 MHz, CDCl}_3\\text{), }{}^{13}\\text{C NMR (50 MHz, CDCl}_3\\text{). Derivatives: peracetate (}{}^1\\text{H NMR), acetonide (}{}^1\\text{H NMR). Source: }\\textit{Annona coriacea}\\text{, roots.} \\text{24. coriacyclodienin}^{111}\\text{ (C}_{37}\\text{H}_{64}\\text{O}_7\\text{, MW 572)}",
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                        "text_offset": 302,
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                        "alt": "White waxy solid. alpha sub D : plus 25 to the power of circ of c 1.00, CHCl sub 3 . UV of lambda sub max, MeOH, nm : 207.2 times log, epsilon 4.0 . NMR: to the power of 1 H NMR of 400 MHz, CDCl sub 3, to the power of 13 C NMR of 50 MHz, CDCl sub 3 . Derivatives: peracetate of to the power of 1 H NMR, acetonide of to the power of 1 H NMR . Source: textit Annona coriacea, roots. 24. coriacyclodienin to the power of 111 times C sub 37 H sub 64 O sub 7, MW 572",
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                "alt": "Skeletal structure of an annonaceous acetogenin with a butenolide, a tetrahydrofuran ring, a hydroxyl at C-14, and two cis d…",
                "source": "vision"
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        },
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            "id": "p14.18",
            "order": 67,
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            "bbox": {
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                "r": 417.6,
                "b": 274.08
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            "text": "Position 10 13 14 17 18 21 22"
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            "text": "[p14.19.1] ([p14.19.2]) 3.86 m 3.78 td 3.38 m 5.40 m 5.40 m 5.40 m 5.40 m",
            "children": [
                {
                    "id": "p14.19.1",
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                    "text": "¹H",
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                        "latex": "^{1}H",
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                        "text_offset": 0,
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                        "alt": "to the power of 1 H",
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                    "text": "δ",
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            "text": "79.2 81.8 73.5 130.4 129.5 129.8 129.0"
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        {
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            "order": 72,
            "type": "text",
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                "l": 63.36,
                "t": 248.4,
                "r": 510.24,
                "b": 224.16
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            "text": "White oil. [α]D: +8.0° (c 1.2, CHCl₃). UV (λmax, MeOH, nm): 208 (log ε 3.87). IR (νmax, film, cm⁻¹): 3522, 2929, 2856, 17621076. MS: EIMS m/z 363, 295, 277, 265, 247, 223. NMR: ¹H NMR (400MHz, CDCl₃), ¹³C NMR (50MHz, CDCl₃). Derivatives: per-MTPA esters (¹H NMR). Source: Annona coriacea roots."
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            "id": "p14.22",
            "order": 73,
            "type": "formula",
            "bbox": {
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                "r": 453.36,
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            "text": "Position 10 13 14 17 18"
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        {
            "id": "p14.24",
            "order": 75,
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                "l": 157.44,
                "t": 142.8,
                "r": 355.68,
                "b": 133.68
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            "text": "[p14.24.1] ([p14.24.2]) 3.87 m 3.78 td 3.38 m 5.35 m 5.38 m",
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                {
                    "id": "p14.24.1",
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                    "type": "formula",
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