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    "width_pt": 612,
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            "text": "Invited Review",
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            "text": "Journal of Natural Products, 1999, Vol. 62, No. 3 519",
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            "text": "Table 4. (Continued)",
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            "text": "33. 34-epi-donnaienin C"
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            "text": "Mono-THF Acetogenins (Continued)",
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                        "header_source": "heuristic"
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                    "text": "34",
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                    "text": "¹H ( δ)",
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                    "text": "3.80 m",
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                        "rowspan": 1,
                        "colspan": 1
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                    "text": "3.42 m",
                    "attrs": {
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                        "col": 6,
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                        "colspan": 1
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                {
                    "id": "p16.6.16",
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                    "text": "---",
                    "attrs": {
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                },
                {
                    "id": "p16.6.17",
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                    "bbox": {
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                    "text": "¹³C ( δ)",
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                        "col": 0,
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                {
                    "id": "p16.6.18",
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                {
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                        "t": 686.4,
                        "r": 306.24,
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                    "text": "74.1",
                    "attrs": {
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                        "col": 3,
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                    "bbox": {
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                    "text": "82.5",
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                {
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                    "text": "82.5",
                    "attrs": {
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                        "col": 5,
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                },
                {
                    "id": "p16.6.23",
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                        "t": 686.4,
                        "r": 405.78,
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                    "text": "74.0",
                    "attrs": {
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                        "rowspan": 1,
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                    }
                },
                {
                    "id": "p16.6.24",
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                    "bbox": {
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                        "t": 686.4,
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                    "text": "104.7",
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                        "rowspan": 1,
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            ]
        },
        {
            "id": "p16.7",
            "order": 31,
            "type": "text",
            "bbox": {
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                "r": 540.24,
                "b": 633.36
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            "text": "White amorphous powder. Mp: 92–94°C. [α]D: +17.4° (c O,O8, MeOH). IR (νmax, film, cm⁻¹): 3402, 2920, 2850, 1736. MS: EIMS m/z 455, 437, 419, 401, 385, 367, 349, 331, 299, 281, 269, 251, 199. NMR: ¹H NMR (500MHz, CDCl₃), ¹³C NMR (125MHz, CDCl₃). Derivatives: phenylhydrazone (¹H NMR), per-MTPA esters (¹H NMR). Biological activities (μg/mL): KB IC₅₀ >10, HCT-8IC₅₀ >10, Bel IC₅₀ 7.1. Source: Goniothalamus donnaiensis, roots."
        },
        {
            "id": "p16.8",
            "order": 32,
            "type": "text",
            "bbox": {
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                "t": 635.04,
                "r": 219.6,
                "b": 624.48
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            "text": "34. glauca filin[p16.8.1] (C [p16.8.2]H [p16.8.3]O[p16.8.4], MW596)",
            "children": [
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                    "id": "p16.8.1",
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                    "type": "formula",
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                    "text": "¹¹²",
                    "attrs": {
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                        "text_span": 9,
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                        "alt": "to the power of 112",
                        "mathml": "<math aria-label=\"to the power of 112\" xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><msup><mi /><mrow><mn>112</mn></mrow></msup></mrow></math>"
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                    "type": "text",
                    "bbox": {
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                    "text": "₃₅",
                    "attrs": {
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                        "text_offset": 29,
                        "text_span": 9,
                        "bbox_estimated": true
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                },
                {
                    "id": "p16.8.3",
                    "order": 35,
                    "type": "text",
                    "bbox": {
                        "l": 72,
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                        "b": 624.48
                    },
                    "text": "₆₅",
                    "attrs": {
                        "inline": true,
                        "text_offset": 40,
                        "text_span": 9,
                        "bbox_estimated": true
                    }
                },
                {
                    "id": "p16.8.4",
                    "order": 36,
                    "type": "text",
                    "bbox": {
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                        "b": 624.48
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                    "text": "₇",
                    "attrs": {
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                        "text_offset": 50,
                        "text_span": 9,
                        "bbox_estimated": true
                    }
                }
            ]
        },
        {
            "id": "p16.9",
            "order": 37,
            "type": "formula",
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                "b": 575.52
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            "text": "",
            "attrs": {
                "block_label": "image",
                "alt": "Skeletal structure of an annonaceous acetogenin-type molecule: butenolide ring, tetrahydrofuran ring, and hydroxyls at C4, C…",
                "source": "vision"
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        {
            "id": "p16.10",
            "order": 38,
            "type": "text",
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            "text": "Position 12 15 16 19 20"
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            "type": "text",
            "bbox": {
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            "text": "[p16.11.1]H (δ) 3.89 m 3.82 m 3.45 m 3.60 m 3.60 m\n [p16.11.2]C (δ) 79.3 81.7 74.3 74.4 74.7",
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                        "l": 157.2,
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                    "text": "¹",
                    "attrs": {
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                        "alt": "to the power of 1",
                        "mathml": "<math aria-label=\"to the power of 1\" xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><msup><mi /><mrow><mn>1</mn></mrow></msup></mrow></math>"
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                    "type": "text",
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                    "text": "¹³",
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                        "bbox_estimated": true
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            ]
        },
        {
            "id": "p16.12",
            "order": 42,
            "type": "text",
            "bbox": {
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                "t": 527.76,
                "r": 521.04,
                "b": 499.92
            },
            "text": "Solid.[p16.12.1]: +30° (c O.2, CHCl_{3}). UV ([p16.12.2], EtOH, nm): 209 ([p16.12.3] 3.9). IR ([p16.12.4], film, cm^{-1}): 3367, 2920, 2851, 1743, 1439, 1376, 1061, 1032, 952, 756 MS: EIMS m/z 379, 361, 343, 309, 291, 286, 269, 251. NMR: [p16.12.5]H NMR (400 MHz, CDCl_{3}), [p16.12.6]C NMR (50 MHz, CDCl_{3}). Source: Annona glauca, seeds.",
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                    "id": "p16.12.1",
                    "order": 43,
                    "type": "formula",
                    "bbox": {
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                    "text": "\\text{Solid. }[\\alpha]_{D}\\text{: }+30^\\circ\\,(c\\,0.2,\\ \\text{CHCl}_3)\\text{. UV }(\\lambda_{\\max},\\ \\text{EtOH, nm})\\text{: }209\\,(\\log \\epsilon\\ 3.9)\\text{. IR }(\\nu_{\\max},\\ \\text{film, cm}^{-1})\\text{: }3367,\\ 2920,\\ 2851,\\ 1743,\\ 1439,\\ 1376,\\ 1061,\\ 1032,\\ 952,\\ 756\\text{. MS: EIMS }m/z\\ 379,\\ 361,\\ 343,\\ 309,\\ 291,\\ 286,\\ 269,\\ 251\\text{. NMR: }{}^{1}\\text{H NMR (400 MHz, CDCl}_3),\\ {}^{13}\\text{C NMR (50 MHz, CDCl}_3)\\text{. Source: }\\textit{Annona glauca}\\text{, seeds.}",
                    "attrs": {
                        "latex": "\\text{Solid. }[\\alpha]_{D}\\text{: }+30^\\circ\\,(c\\,0.2,\\ \\text{CHCl}_3)\\text{. UV }(\\lambda_{\\max},\\ \\text{EtOH, nm})\\text{: }209\\,(\\log \\epsilon\\ 3.9)\\text{. IR }(\\nu_{\\max},\\ \\text{film, cm}^{-1})\\text{: }3367,\\ 2920,\\ 2851,\\ 1743,\\ 1439,\\ 1376,\\ 1061,\\ 1032,\\ 952,\\ 756\\text{. MS: EIMS }m/z\\ 379,\\ 361,\\ 343,\\ 309,\\ 291,\\ 286,\\ 269,\\ 251\\text{. NMR: }{}^{1}\\text{H NMR (400 MHz, CDCl}_3),\\ {}^{13}\\text{C NMR (50 MHz, CDCl}_3)\\text{. Source: }\\textit{Annona glauca}\\text{, seeds.}",
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                        "alt": "Solid. alpha sub D : plus 30 to the power of circ, c, 0.2, CHCl sub 3 . UV of lambda sub max, EtOH, nm : 209, log epsilon 3.9 . IR of nu sub max, film, cm to the power of minus 1 : 3367, 2920, 2851, 1743, 1439, 1376, 1061, 1032, 952, 756 . MS: EIMS m over z 379, 361, 343, 309, 291, 286, 269, 251 . 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 . Source: textit Annona glauca, seeds.",
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                    "text": "\\lambda_{max}",
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                    "text": "\\text{Solid. }[\\alpha]_{D}\\text{: }+30^{\\circ}\\,(c\\ 0.2, \\text{CHCl}_3)\\text{. UV }(\\lambda_{\\max}\\text{, EtOH, nm)}\\text{: }209\\,(\\log \\epsilon\\ 3.9)\\text{. IR }(\\nu_{\\max}\\text{, film, cm}^{-1})\\text{: }3367, 2920, 2851, 1743, 1439, 1376, 1061, 1032, 952, 756\\text{. MS: EIMS }m/z\\ 379, 361, 343, 309, 291, 286, 269, 251\\text{. NMR: }{}^{1}\\text{H NMR (400 MHz, CDCl}_3\\text{), }{}^{13}\\text{C NMR (50 MHz, CDCl}_3\\text{). Source: }\\textit{Annona glauca}\\text{, seeds.}",
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            "text": "35. annomuricin E[p16.13.1] (C [p16.13.2]H [p16.13.3]O[p16.13.4], MW612)",
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                    "text": "^{*113}",
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                    "text": "₃₅",
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                    "text": "₆₄",
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                {
                    "id": "p16.13.4",
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                    "text": "₈",
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            "attrs": {
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            "text": "Position 10 11 15 16 19 20"
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            "text": "[p16.16.1] ([p16.16.2]) 3.60 m 3.60 m 3.45 m 3.79 m 3.79 m 3.43 m \n[p16.16.3] ([p16.16.4]) 74.2 74.3 74.5 82.8 82.6 73.9",
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                    "text": "¹H",
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            "text": "White solid.[p16.17.1]: +12.5° (c QO4, MeOH). UV ([p16.17.2], MeOH, nm): 218 (log[p16.17.3] 3.76). IR ([p16.17.4], film, cm[p16.17.5]): 3381, 2920, 2851, 1744, 1466. MS: EIMS m/z 377, 359, 353, 341, 335, 325, 317, 307, 289, 271, 269, 253, 251, 241, 223, 205, 199, 141, 123. NMR: [p16.17.6]H NMR (500 MHz, CDCl[p16.17.7]), [p16.17.8]C NMR (125 MHz, CDCl[p16.17.9]). Derivatives: acetonide (1H NMR). Biological activities ( [p16.17.10]g/mL): BST LC[p16.17.11] 18.4, A-549 ED[p16.17.12] 1.1[p16.17.13] 10[p16.17.14], MCF-7 ED[p16.17.15] 1.5[p16.17.16] 10[p16.17.17], HT-29 ED[p16.17.18] 6.7[p16.17.19] 10[p16.17.20], A-498 ED[p16.17.21] 1.4, PC-3 ED[p16.17.22] 1.5[p16.17.23] 10[p16.17.24], PAC-2 ED[p16.17.25] 2.4[p16.17.26] 10[p16.17.27]. Source: Annona muricata, leaves.",
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                    "text": "\\text{White solid. } [\\alpha]_{D}: +12.5^\\circ \\text{ (}c\\,0.04\\text{, MeOH). UV } (\\lambda_{\\max}\\text{, MeOH, nm): } 218 \\text{ (}\\log \\epsilon\\ 3.76\\text{). IR } (\\nu_{\\max}\\text{, film, cm}^{-1}\\text{): } 3381, 2920, 2851, 1744, 1466. \\text{ MS: EIMS } m/z\\ 377, 359, 353, 341, 335, 325, 317, 307, 289, 271, 269, 253, 251, 241, 223, 205, 199, 141, 123. \\text{ NMR: }{}^{1}\\text{H NMR (500 MHz, CDCl}_3\\text{), }{}^{13}\\text{C NMR (125 MHz, CDCl}_3\\text{). Derivatives: acetonide (}^{1}\\text{H NMR). Biological activities } (\\mu\\text{g/mL}): \\text{BST LC}_{50}\\ 18.4, \\text{A-549 ED}_{50}\\ 1.1\\times10^{-1}, \\text{MCF-7 ED}_{50}\\ 1.5\\times10^{-1}, \\text{HT-29 ED}_{50}\\ 6.7\\times10^{-1}, \\text{A-498 ED}_{50}\\ 1.4, \\text{PC-3 ED}_{50}\\ 1.5\\times10^{-1}, \\text{PACA-2 ED}_{50}\\ 2.4\\times10^{-1}. \\text{ Source: } \\textit{Annona muricata}\\text{, leaves.}",
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                    "text": "\\text{White solid. }[\\alpha]_D\\text{: }+8.0^\\circ\\,(c\\,0.05,\\text{MeOH}).\\ \\text{UV}\\,(\\lambda_{max}\\text{, MeOH, nm: }220\\,(\\log\\epsilon\\,3.54)).\\ \\text{IR}\\,(\\nu_{max}\\text{, film, cm}^{-1}\\text{: }3398, 2920, 2851, 1743, 1458).\\ \\text{MS: EIMS } m/z\\ 377, 359, 343, 341, 325, 307, 289, 271, 269, 231, 213, 199, 195, 177, 141, 123.\\ \\text{NMR: }{}^1\\text{H NMR (500 MHz, CDCl}_3\\text{), }{}^{13}\\text{C NMR (125 MHz, CDCl}_3\\text{). Derivatives: acetonide (}{}^1\\text{H NMR}\\text{). Biological activities (}\\mu\\text{g/mL}\\text{): BST LC}_{50}\\ 1.8,\\ \\text{A-549 ED}_{50}\\ 1.9\\times10^{-1},\\ \\text{MCF-7 ED}_{50}\\ 1.9,\\ \\text{HT-29 ED}_{50}\\ 7.1\\times10^{-2},\\ \\text{A-498 ED}_{50}\\ 1.7,\\ \\text{PC-3 ED}_{50}\\ 4.5\\times10^{-1},\\ \\text{PACA-2 ED}_{50}\\ 5.0\\times10^{-2}.\\ \\text{Source: }\\textit{Annona muricata}\\text{, leaves.}\\\\ \\text{37. donnaienin}^{33}\\ (\\text{C}_{35}\\text{H}_{64}\\text{O}_{8}\\text{, MW 612})",
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            "text": "White amorphous powder. Mp: 90–92°C. [α]D: +O (c O.25, MeOH). IR (νmax, film, cm⁻¹): 3429, 2920, 2850, 1746, 1469. MS: EIMS m/z 385, 367, 349, 331, 313, 299, 281, 263, 245, 241, 227, 141. NMR: ¹H NMR (500MHz, CDCl₃), ¹³C NMR (125MHz, CDCl₃). Derivatives: peracetate (¹H NMR), formal acetal (¹H NMR), TMS (EIMS). Biological activities (μg/mL): KB IC₅₀ >10, HCT-8IC₅₀ >10, Bel IC₅₀ 6.7. Source: Goniothalamus donnaiensis, roots."
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}