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    首页 分子通 按分子结构分类 有机化合物 生物碱及其衍生物

    生物碱及其衍生物

    下级分类

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-[(1S,2S,6R,14S,15R,16R)-11,15-dimethoxy-5,16-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]propan-2-ol —— C25H33NO4
    2-[(1S,2S,6R,14S,15R,16R)-11,15-dimethoxy-5,16-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]propan-2-ol
    —— (1R,9S)-4-methoxy-17-methyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5,10,12-pentaen-3-ol —— C18H21NO2
    (1R,9S)-4-methoxy-17-methyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5,10,12-pentaen-3-ol
    —— (1R)-1-[(4R,7aR,12bR)-7,9-dimethoxy-3-methyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7a-yl]pentan-1-ol —— C24H31NO4
    (1R)-1-[(4R,7aR,12bR)-7,9-dimethoxy-3-methyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7a-yl]pentan-1-ol
    —— ethyl (4S,4aS,7R,7aS,12bS)-7-ethoxycarbonyloxy-9-methoxy-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-3-carboxylate —— C23H27NO7
    ethyl (4S,4aS,7R,7aS,12bS)-7-ethoxycarbonyloxy-9-methoxy-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-3-carboxylate
    —— (1R,9R,10R,11S)-4-methoxy-11,17-dimethyl-3-phenoxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-13-one —— C25H29NO3
    (1R,9R,10R,11S)-4-methoxy-11,17-dimethyl-3-phenoxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-13-one
    —— dimethyl (1S,2S,6R,14S,15R,16R,17R)-11-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-16,17-dicarboxylate —— C25H29NO6
    dimethyl (1S,2S,6R,14S,15R,16R,17R)-11-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-16,17-dicarboxylate
    —— (1S,9S,10S)-3-hydroxy-4-methoxy-17-methyl-5-(1-phenyltetrazol-5-yl)oxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2,4,6-trien-13-one —— C25H27N5O4
    (1S,9S,10S)-3-hydroxy-4-methoxy-17-methyl-5-(1-phenyltetrazol-5-yl)oxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2,4,6-trien-13-one
    —— (4R,4aR,7R,7aS,12bR)-9-methoxy-3,7a-dimethyl-1,2,4,4a,7,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-ol —— C19H23NO3
    (4R,4aR,7R,7aS,12bR)-9-methoxy-3,7a-dimethyl-1,2,4,4a,7,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-ol
    —— (1R,2S,6S,7S,14R,15R,19R)-7-ethyl-19-(2-hydroxypropan-2-yl)-15-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,16-tetraen-11-ol —— C26H35NO4
    (1R,2S,6S,7S,14R,15R,19R)-7-ethyl-19-(2-hydroxypropan-2-yl)-15-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,16-tetraen-11-ol
    —— (1S,2S,6R,14S,15R,19R)-19-(2-hydroxypropan-2-yl)-15-methoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,16-tetraen-11-ol —— C23H29NO4
    (1S,2S,6R,14S,15R,19R)-19-(2-hydroxypropan-2-yl)-15-methoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,16-tetraen-11-ol
    —— (4R,4aR,7R,7aR,12bR)-9-methoxy-3,7a-dimethyl-1,2,4,4a,7,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-ol —— C19H23NO3
    (4R,4aR,7R,7aR,12bR)-9-methoxy-3,7a-dimethyl-1,2,4,4a,7,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-ol
    —— 1-[(1S,2S,6R,14S,15R,16S)-11,15-dimethoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]ethanone —— C24H29NO4
    1-[(1S,2S,6R,14S,15R,16S)-11,15-dimethoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]ethanone
    —— (1S,9S,10R)-4,5-dimethoxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2,4,6-trien-13-one —— C18H23NO3
    (1S,9S,10R)-4,5-dimethoxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2,4,6-trien-13-one
    —— (4R,4aS,7aR,12bR)-4a-bromo-9-methoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one —— C19H20BrNO3
    (4R,4aS,7aR,12bR)-4a-bromo-9-methoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one
    —— dimethyl (1S,2S,6R,14S,15S,16R,17S)-19-chloro-11-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-16,17-dicarboxylate —— C25H28ClNO6
    dimethyl (1S,2S,6R,14S,15S,16R,17S)-19-chloro-11-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-16,17-dicarboxylate
    —— methyl (4S,7aS,12bS)-7,9-dimethoxy-3-methyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline-7a-carboxylate —— C21H23NO5
    methyl (4S,7aS,12bS)-7,9-dimethoxy-3-methyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline-7a-carboxylate
    —— 2-[(1R,2S,6S,7R,14R,15R,16R)-7-ethyl-11,15-dimethoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]propan-2-ol —— C27H37NO4
    2-[(1R,2S,6S,7R,14R,15R,16R)-7-ethyl-11,15-dimethoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]propan-2-ol
    —— 2-[(1R,2S,6S,7S,14R,15R,16R)-7-ethyl-11,15-dimethoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]propan-2-ol —— C27H37NO4
    2-[(1R,2S,6S,7S,14R,15R,16R)-7-ethyl-11,15-dimethoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]propan-2-ol
    —— 2-[(1S,2S,6R,14S,15R,16S)-11,15-dimethoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]propan-2-ol —— C24H31NO4
    2-[(1S,2S,6R,14S,15R,16S)-11,15-dimethoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]propan-2-ol
    —— (1S,2R,5R,6S,10R,18R)-5,13-dimethoxy-6,19-dimethyl-8,11-dioxa-19-azaheptacyclo[10.9.1.12,6.01,10.02,18.05,10.016,22]tricosa-3,12,14,16(22)-tetraen-7-one —— C24H27NO5
    (1S,2R,5R,6S,10R,18R)-5,13-dimethoxy-6,19-dimethyl-8,11-dioxa-19-azaheptacyclo[10.9.1.12,6.01,10.02,18.05,10.016,22]tricosa-3,12,14,16(22)-tetraen-7-one
    —— ethyl (1S,2S,6S,14R,15S,17S)-19-chloro-11-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-17-carboxylate —— C24H28ClNO4
    ethyl (1S,2S,6S,14R,15S,17S)-19-chloro-11-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-17-carboxylate
    —— (1R,9R,10R,11S)-4-methoxy-11,17-dimethyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-13-one —— C19H25NO2
    (1R,9R,10R,11S)-4-methoxy-11,17-dimethyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-13-one
    —— (1S,2R,5R,6R,10R,18R)-5,13-dimethoxy-6,19-dimethyl-8,11-dioxa-19-azaheptacyclo[10.9.1.12,6.01,10.02,18.05,10.016,22]tricosa-3,12,14,16(22)-tetraen-7-one —— C24H27NO5
    (1S,2R,5R,6R,10R,18R)-5,13-dimethoxy-6,19-dimethyl-8,11-dioxa-19-azaheptacyclo[10.9.1.12,6.01,10.02,18.05,10.016,22]tricosa-3,12,14,16(22)-tetraen-7-one
    —— (1S,2S,6S,14R,15S,16S)-11,15-dimethoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-16-carboxylic acid —— C22H25NO5
    (1S,2S,6S,14R,15S,16S)-11,15-dimethoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-16-carboxylic acid
    —— (1S,9R,10S)-11-bromo-4-methoxy-14,17-dimethyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5,11,13-pentaen-3-ol —— C19H22BrNO2
    (1S,9R,10S)-11-bromo-4-methoxy-14,17-dimethyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5,11,13-pentaen-3-ol
    —— (1S,2S,6S,14S,15S,16S)-11,15-dimethoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-16-carboxylic acid —— C22H25NO5
    (1S,2S,6S,14S,15S,16S)-11,15-dimethoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-16-carboxylic acid
    —— (4S,4aS,7aS,12bS)-7,7,9-trimethoxy-3-methyl-1,2,4,4a,5,6,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinoline —— C20H27NO4
    (4S,4aS,7aS,12bS)-7,7,9-trimethoxy-3-methyl-1,2,4,4a,5,6,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinoline
    —— 2-[(1S,2S,6R,14S,15R,16R)-11,15-dimethoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]propan-2-ol —— C24H31NO4
    2-[(1S,2S,6R,14S,15R,16R)-11,15-dimethoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]propan-2-ol
    —— (4R,4aR,7S,7aS,12bR)-9-methoxy-3,7a-dimethyl-1,2,4,4a,7,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-ol —— C19H23NO3
    (4R,4aR,7S,7aS,12bR)-9-methoxy-3,7a-dimethyl-1,2,4,4a,7,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinolin-7-ol
    —— ethyl (1R,9R,10S,12S,13S)-3-hydroxy-4-methoxy-17-methyl-17-azapentacyclo[7.5.3.210,13.01,10.02,7]nonadeca-2(7),3,5,18-tetraene-12-carboxylate —— C23H29NO4
    ethyl (1R,9R,10S,12S,13S)-3-hydroxy-4-methoxy-17-methyl-17-azapentacyclo[7.5.3.210,13.01,10.02,7]nonadeca-2(7),3,5,18-tetraene-12-carboxylate
    —— ethyl (1R,9R,10S,12R,13S)-3-hydroxy-4-methoxy-17-methyl-17-azapentacyclo[7.5.3.210,13.01,10.02,7]nonadeca-2(7),3,5,18-tetraene-12-carboxylate —— C23H29NO4
    ethyl (1R,9R,10S,12R,13S)-3-hydroxy-4-methoxy-17-methyl-17-azapentacyclo[7.5.3.210,13.01,10.02,7]nonadeca-2(7),3,5,18-tetraene-12-carboxylate
    —— (4R,7aR,12bR)-6-chloro-9-methoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline —— C19H20ClNO2
    (4R,7aR,12bR)-6-chloro-9-methoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline
    —— (1R,9S)-4-methoxy-3-phenoxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5,10,12-pentaene —— C23H23NO2
    (1R,9S)-4-methoxy-3-phenoxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5,10,12-pentaene
    —— ethyl (1S,2S,6S,14R,15R,17R)-19-chloro-11-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-17-carboxylate —— C24H28ClNO4
    ethyl (1S,2S,6S,14R,15R,17R)-19-chloro-11-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraene-17-carboxylate
    —— (1R,2S,6S,7R,14R,15R,19R)-7-ethyl-19-(2-hydroxypropan-2-yl)-15-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,16-tetraen-11-ol —— C26H35NO4
    (1R,2S,6S,7R,14R,15R,19R)-7-ethyl-19-(2-hydroxypropan-2-yl)-15-methoxy-5,14-dimethyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,16-tetraen-11-ol
    —— (1S,2S,5R,6S,10R,18R)-5,13-dimethoxy-6,19-dimethyl-8,11-dioxa-19-azaheptacyclo[10.9.1.12,6.01,10.02,18.05,10.016,22]tricosa-3,12,14,16(22)-tetraen-7-one —— C24H27NO5
    (1S,2S,5R,6S,10R,18R)-5,13-dimethoxy-6,19-dimethyl-8,11-dioxa-19-azaheptacyclo[10.9.1.12,6.01,10.02,18.05,10.016,22]tricosa-3,12,14,16(22)-tetraen-7-one
    —— (1S,9S)-4,13-dimethoxy-17-methyl-3-phenoxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5,10,12-pentaene —— C25H27NO3
    (1S,9S)-4,13-dimethoxy-17-methyl-3-phenoxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5,10,12-pentaene
    —— (1R,9R,10R,11R)-4-methoxy-11,17-dimethyl-3-phenoxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-13-one —— C25H29NO3
    (1R,9R,10R,11R)-4-methoxy-11,17-dimethyl-3-phenoxy-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-13-one
    —— (4S,4aR,7S,7aS,12bS)-7-hydroxy-9-methoxy-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-3-carbaldehyde —— C18H19NO4
    (4S,4aR,7S,7aS,12bS)-7-hydroxy-9-methoxy-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-3-carbaldehyde
    —— (4R,4aR,7aR,12bR)-9-methoxy-3,7a-dimethyl-2,4,4a,13-tetrahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one —— C19H21NO3
    (4R,4aR,7aR,12bR)-9-methoxy-3,7a-dimethyl-2,4,4a,13-tetrahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one
    —— (4R,7aS,12bR)-6,9-dimethoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline —— C20H23NO3
    (4R,7aS,12bR)-6,9-dimethoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline
    —— (4S,4aR,7S,7aR,12bS)-7-hydroxy-9-methoxy-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-3-carbaldehyde —— C18H19NO4
    (4S,4aR,7S,7aR,12bS)-7-hydroxy-9-methoxy-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-3-carbaldehyde
    —— (4R,7aS,12bR)-6-chloro-9-methoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline —— C19H20ClNO2
    (4R,7aS,12bR)-6-chloro-9-methoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline
    —— (1R,9R,10R,11R)-4-methoxy-11,17-dimethyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-13-one —— C19H25NO2
    (1R,9R,10R,11R)-4-methoxy-11,17-dimethyl-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-13-one
    —— (4R,7aS,12bR)-7a-butyl-7,9-dimethoxy-3-methyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline —— C23H29NO3
    (4R,7aS,12bR)-7a-butyl-7,9-dimethoxy-3-methyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline
    —— (4R,7aS,12bR)-7,9-dimethoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline —— C20H23NO3
    (4R,7aS,12bR)-7,9-dimethoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline
    —— (4S,7aS,12bS)-9-methoxy-1,2,3,4,7a,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinoline —— C17H17NO2
    (4S,7aS,12bS)-9-methoxy-1,2,3,4,7a,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinoline
    —— (1S,2R,5R,6S,10S,18S)-13-hydroxy-5-methoxy-19-methyl-8,11-dioxa-19-azaheptacyclo[10.9.1.12,6.01,10.02,18.05,10.016,22]tricosa-3,12,14,16(22)-tetraen-7-one —— C22H23NO5
    (1S,2R,5R,6S,10S,18S)-13-hydroxy-5-methoxy-19-methyl-8,11-dioxa-19-azaheptacyclo[10.9.1.12,6.01,10.02,18.05,10.016,22]tricosa-3,12,14,16(22)-tetraen-7-one
    —— (4R,7aR,12bR)-6,9-dimethoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline —— C20H23NO3
    (4R,7aR,12bR)-6,9-dimethoxy-3,7a-dimethyl-1,2,4,13-tetrahydro-4,12-methanobenzofuro[3,2-e]isoquinoline
    —— ethyl (4S,4aR,7aR,12bS)-9-ethoxycarbonyloxy-7-oxo-1,2,4,4a,7a,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinoline-3-carboxylate —— C22H23NO7
    ethyl (4S,4aR,7aR,12bS)-9-ethoxycarbonyloxy-7-oxo-1,2,4,4a,7a,13-hexahydro-4,12-methanobenzofuro[3,2-e]isoquinoline-3-carboxylate