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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 三尖杉生物碱

    三尖杉生物碱

    中文名称 英文名称 CAS号 化学式 结构式图片
    —— cephalotaxinone —— C18H19NO4
    cephalotaxinone
    —— 1-((1S,3aR,14bS)-2-methoxy-1,5,6,8,9,14b-hexahydro-4H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]cyclopenta[b]pyrrolo[1,2-a]azepin-1-yl) 4-methyl (R)-2-((E)-4-(benzyloxy)-4-methylpent-2-en-1-yl)-2-hydroxysuccinate 1040272-14-7 C36H43NO9
    1-((1S,3aR,14bS)-2-methoxy-1,5,6,8,9,14b-hexahydro-4H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]cyclopenta[b]pyrrolo[1,2-a]azepin-1-yl) 4-methyl (R)-2-((E)-4-(benzyloxy)-4-methylpent-2-en-1-yl)-2-hydroxysuccinate
    —— 6-O-(cyclovaleryl)harringtonine 1423132-18-6 C35H47NO10
    6-O-(cyclovaleryl)harringtonine
    —— (<i>R</i>)-2-hydroxy-2-(4-hydroxy-4-methyl-pentyl)-succinic acid 1-((3a<i>R</i>)-2-methoxy-(3a<i>r</i><i>C</i><sup>4</sup>,14b<i>c</i>)-1,5,6,8,9,14b-hexahydro-4<i>H</i>-cyclopenta[<i>b</i>][1,3]dioxolo[4',5':4,5]benzo[1,2-<i>d</i>]pyrrolo[1,2-<i>a</i>]azepin-1<i>t</i>-yl) ester 4-methyl ester 26833-87-4 C29H39NO9
    (<i>R</i>)-2-hydroxy-2-(4-hydroxy-4-methyl-pentyl)-succinic acid 1-((3a<i>R</i>)-2-methoxy-(3a<i>r</i><i>C</i><sup>4</sup>,14b<i>c</i>)-1,5,6,8,9,14b-hexahydro-4<i>H</i>-cyclopenta[<i>b</i>][1,3]dioxolo[4',5':4,5]benzo[1,2-<i>d</i>]pyrrolo[1,2-<i>a</i>]azepin-1<i>t</i>-yl) ester 4-methyl ester
    —— fumaric acid (3a<i>R</i>)-2-methoxy-(3a<i>r</i><i>C</i><sup>4</sup>,14b<i>c</i>)-1,5,6,8,9,14b-hexahydro-4<i>H</i>-cyclopenta[<i>b</i>][1,3]dioxolo[4',5':4,5]benzo[1,2-<i>d</i>]pyrrolo[1,2-<i>a</i>]azepin-1<i>t</i>-yl ester methyl ester 61568-73-8 C23H25NO7
    fumaric acid (3a<i>R</i>)-2-methoxy-(3a<i>r</i><i>C</i><sup>4</sup>,14b<i>c</i>)-1,5,6,8,9,14b-hexahydro-4<i>H</i>-cyclopenta[<i>b</i>][1,3]dioxolo[4',5':4,5]benzo[1,2-<i>d</i>]pyrrolo[1,2-<i>a</i>]azepin-1<i>t</i>-yl ester methyl ester
    —— Demethylcephalotaxin 39707-71-6 C17H19NO4
    Demethylcephalotaxin
    —— homoharringtonine 850694-15-4 C29H39NO9
    homoharringtonine
    —— harringtonine 67938-56-1 C28H37NO9
    harringtonine
    —— 1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2,3-dihydroxy-2-(4-methylpentyl)butanedioate —— C29H39NO9
    1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2,3-dihydroxy-2-(4-methylpentyl)butanedioate
    —— Cephalotaxin 1212080-94-8 C18H21NO4
    Cephalotaxin
    —— 1-O-(13-methoxy-5,7,21-trioxa-19-azahexacyclo[11.7.1.02,10.04,8.011,15.015,19]henicosa-2,4(8),9-trien-12-yl) 4-O-methyl 2-hydroxy-2-(4-methylpentyl)butanedioate —— C29H39NO9
    1-O-(13-methoxy-5,7,21-trioxa-19-azahexacyclo[11.7.1.02,10.04,8.011,15.015,19]henicosa-2,4(8),9-trien-12-yl) 4-O-methyl 2-hydroxy-2-(4-methylpentyl)butanedioate
    —— Desoxyharringtonin —— C28H37NO8
    Desoxyharringtonin
    —— 8-Oxocephalotaxine —— C18H19NO5
    8-Oxocephalotaxine
    —— 1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),2,4,13,15(19)-pentaen-3-yl) 4-O-methyl 2-benzyl-2-hydroxybutanedioate —— C30H31NO8
    1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),2,4,13,15(19)-pentaen-3-yl) 4-O-methyl 2-benzyl-2-hydroxybutanedioate
    —— cephalotaxinone 38750-57-1 C18H19NO4
    cephalotaxinone
    —— 1-O-[9-[3-[2,5-dihydroxy-2-(2-methoxy-2-oxoethyl)-5-methylhexanoyl]oxy-4-methoxy-9-oxo-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-8-yl]-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] 4-O-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate —— C57H72N2O19
    1-O-[9-[3-[2,5-dihydroxy-2-(2-methoxy-2-oxoethyl)-5-methylhexanoyl]oxy-4-methoxy-9-oxo-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-8-yl]-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] 4-O-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate
    —— 2,3-Dihydroxy-3-[(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl)oxycarbonyl]-6-methylheptanoic acid —— C27H35NO9
    2,3-Dihydroxy-3-[(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl)oxycarbonyl]-6-methylheptanoic acid
    —— 1-O-[9-[3-[2-hydroxy-2-(1-hydroxy-2-methoxy-2-oxoethyl)-5-methylhexanoyl]oxy-4-methoxy-9-oxo-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-8-yl]-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] 4-O-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate —— C57H72N2O19
    1-O-[9-[3-[2-hydroxy-2-(1-hydroxy-2-methoxy-2-oxoethyl)-5-methylhexanoyl]oxy-4-methoxy-9-oxo-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-8-yl]-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] 4-O-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate
    —— 1-O-(12-hydroxy-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-hydroxy-2-(4-methylpentyl)butanedioate —— C29H39NO9
    1-O-(12-hydroxy-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-hydroxy-2-(4-methylpentyl)butanedioate
    —— 1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2,3-dihydroxy-2-(3-hydroxy-3-methylbutyl)butanedioate —— C28H37NO10
    1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2,3-dihydroxy-2-(3-hydroxy-3-methylbutyl)butanedioate
    —— 1-O-[9-[4-[2,6-dihydroxy-2-(2-methoxy-2-oxoethyl)-6-methylheptanoyl]oxy-7-methoxy-9-oxo-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-8-yl]-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] 4-O-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate —— C58H74N2O19
    1-O-[9-[4-[2,6-dihydroxy-2-(2-methoxy-2-oxoethyl)-6-methylheptanoyl]oxy-7-methoxy-9-oxo-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-8-yl]-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] 4-O-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate
    —— Cephalotaxine, 15-hydroxy- —— C18H21NO5
    Cephalotaxine, 15-hydroxy-
    —— 1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-benzyl-2-hydroxybutanedioate —— C30H33NO8
    1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-benzyl-2-hydroxybutanedioate
    —— 1-O-(13-methoxy-5,7,21-trioxa-19-azahexacyclo[11.7.1.02,10.04,8.011,15.015,19]henicosa-2,4(8),9-trien-12-yl) 4-O-methyl 2-hydroxy-2-(3-methylbutyl)butanedioate —— C28H37NO9
    1-O-(13-methoxy-5,7,21-trioxa-19-azahexacyclo[11.7.1.02,10.04,8.011,15.015,19]henicosa-2,4(8),9-trien-12-yl) 4-O-methyl 2-hydroxy-2-(3-methylbutyl)butanedioate
    —— 1-O-[9-[3-[2,6-dihydroxy-2-(2-methoxy-2-oxoethyl)-6-methylheptanoyl]oxy-4-methoxy-9-oxo-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-8-yl]-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] 4-O-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate —— C58H74N2O19
    1-O-[9-[3-[2,6-dihydroxy-2-(2-methoxy-2-oxoethyl)-6-methylheptanoyl]oxy-4-methoxy-9-oxo-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-8-yl]-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] 4-O-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate
    —— 1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-hydroxy-2-(4-methylpentyl)butanedioate —— C29H39NO8
    1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-hydroxy-2-(4-methylpentyl)butanedioate
    —— 4-Methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),2,4,13,15(19)-pentaene-3,12-diol —— C18H19NO5
    4-Methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),2,4,13,15(19)-pentaene-3,12-diol
    —— isocephalotaxine 73208-54-5 C18H21NO4
    isocephalotaxine
    —— 16,18-Dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),13,15(19)-triene-3,4-diol —— C17H21NO4
    16,18-Dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),13,15(19)-triene-3,4-diol
    —— 1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-hydroxy-2-(2-phenylethyl)butanedioate —— C31H35NO8
    1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-hydroxy-2-(2-phenylethyl)butanedioate
    —— 1-O-(12-hydroxy-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-hydroxy-2-(3-methylbutyl)butanedioate —— C28H37NO9
    1-O-(12-hydroxy-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-hydroxy-2-(3-methylbutyl)butanedioate
    —— 2,3,6-Trihydroxy-3-[(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl)oxycarbonyl]-6-methylheptanoic acid —— C27H35NO10
    2,3,6-Trihydroxy-3-[(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl)oxycarbonyl]-6-methylheptanoic acid
    —— 3-Hydroxy-8-(3-hydroxy-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-9-yl)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-9-one —— C36H38N2O9
    3-Hydroxy-8-(3-hydroxy-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-9-yl)-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-9-one
    —— 3,7-dihydroxy-3-[(4-methoxy-16,18-dioxa-10-azoniapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl)oxycarbonyl]-7-methyloctanoate —— C28H37NO9
    3,7-dihydroxy-3-[(4-methoxy-16,18-dioxa-10-azoniapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl)oxycarbonyl]-7-methyloctanoate
    —— Cephalotaxine, 2,11-epoxy-1,2-dihydro-, (2alpha,11alpha)- 51151-93-0 C18H21NO5
    Cephalotaxine, 2,11-epoxy-1,2-dihydro-, (2alpha,11alpha)-
    —— [2-(2-Methoxy-2-oxoethyl)-5,5-dimethyloxolan-2-yl] 4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraene-3-carboxylate —— C28H35NO8
    [2-(2-Methoxy-2-oxoethyl)-5,5-dimethyloxolan-2-yl] 4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraene-3-carboxylate
    —— demethylcephalotaxine 39707-71-6 C17H19NO4
    demethylcephalotaxine
    —— 3-Methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),13,15(19)-trien-4-ol —— C18H23NO4
    3-Methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),13,15(19)-trien-4-ol
    —— 1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2,3-dihydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate —— C29H39NO10
    1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2,3-dihydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate
    —— 1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-benzyl-2,3-dihydroxybutanedioate —— C30H33NO9
    1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-benzyl-2,3-dihydroxybutanedioate
    —— 3-[3,4,5-Trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),2,13,15(19)-tetraen-4-one —— C23H27NO9
    3-[3,4,5-Trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),2,13,15(19)-tetraen-4-one
    —— Cephalocyclidin A —— C17H19NO5
    Cephalocyclidin A
    —— 1-O-[8-[3-[2,5-dihydroxy-2-(2-methoxy-2-oxoethyl)-5-methylhexanoyl]oxy-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-9-yl]-4-methoxy-9-oxo-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] 4-O-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate —— C57H72N2O19
    1-O-[8-[3-[2,5-dihydroxy-2-(2-methoxy-2-oxoethyl)-5-methylhexanoyl]oxy-4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-9-yl]-4-methoxy-9-oxo-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl] 4-O-methyl 2-hydroxy-2-(4-hydroxy-4-methylpentyl)butanedioate
    —— homoharringtonine 1217787-65-9 C29H39NO9
    homoharringtonine
    —— Harringtonin 1254090-82-8 C28H37NO9
    Harringtonin
    —— 3,6-Dihydroxy-3-[(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl)oxycarbonyl]-6-methylheptanoic acid —— C27H35NO9
    3,6-Dihydroxy-3-[(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl)oxycarbonyl]-6-methylheptanoic acid
    —— 1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-butan-2-yl-2-hydroxybutanedioate —— C27H35NO8
    1-O-(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl) 4-O-methyl 2-butan-2-yl-2-hydroxybutanedioate
    —— 3-Hydroxy-3-[(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl)oxycarbonyl]-6-methylheptanoic acid —— C27H35NO8
    3-Hydroxy-3-[(4-methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),4,13,15(19)-tetraen-3-yl)oxycarbonyl]-6-methylheptanoic acid
    —— demethylcephalotaxinone 38848-25-8 C17H17NO4
    demethylcephalotaxinone
    —— 4-Methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),2,4,13,15(19)-pentaen-3-ol —— C18H19NO4
    4-Methoxy-16,18-dioxa-10-azapentacyclo[11.7.0.02,6.06,10.015,19]icosa-1(20),2,4,13,15(19)-pentaen-3-ol