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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Hydroxymethylen-cholesta-4,6-dien-3-on 2841-81-8 C28H42O2
    2-Hydroxymethylen-cholesta-4,6-dien-3-on
    —— 2,3,8,9-Tetramethyl-3,8-dihydroxy-4-triaethylsilyl-decadien-(4,6) 18724-41-9 C20H40O2Si
    2,3,8,9-Tetramethyl-3,8-dihydroxy-4-triaethylsilyl-decadien-(4,6)
    —— 2-(Tetra-O-acetyl-1-β-D-glucopyranosyl-mercapto)-4-methyl-oxazol 16955-60-5 C18H23NO10S
    2-(Tetra-O-acetyl-1-β-D-glucopyranosyl-mercapto)-4-methyl-oxazol
    —— 2,4,6-Trimethylbenzaldehyd-4-(mesitylthiosemicarbazon) 20099-67-6 C20H25N3S
    2,4,6-Trimethylbenzaldehyd-4-(mesitylthiosemicarbazon)
    —— 2-Hydroxy-4-phenyl-but-3-ynoic acid pentyl ester 20207-23-2 C15H18O3
    2-Hydroxy-4-phenyl-but-3-ynoic acid pentyl ester
    —— 2-Benzhydryl-2-bromo-[1,2']biindenylidene-3,1',3'-trione 7090-15-5 C31H19BrO3
    2-Benzhydryl-2-bromo-[1,2']biindenylidene-3,1',3'-trione
    —— (2R,6R,10R)-2-(4-methoxy-2,3,5-trimethylphenoxy)-2,6,10,14-tetramethyl-1-pentadecanol 1215112-54-1 C29H52O3
    (2R,6R,10R)-2-(4-methoxy-2,3,5-trimethylphenoxy)-2,6,10,14-tetramethyl-1-pentadecanol
    —— 2-[(2,4-Dinitro-phenyl)-hydrazono]-1-p-tolyl-ethanol 132724-63-1 C15H14N4O5
    2-[(2,4-Dinitro-phenyl)-hydrazono]-1-p-tolyl-ethanol
    —— (2R,3S,6R)-Tetrahydro-2-<2-<(2S,3S)-3-(hydroxymethyl)-3-methyloxiran-2-yl>ethyl>-6-<(S)-1-(methoxymethoxy)-1,5-dimethylhex-4-enyl>-3-methyl-2H-pyran-3-ol 116216-82-1 C22H40O6
    (2R,3S,6R)-Tetrahydro-2-<2-<(2S,3S)-3-(hydroxymethyl)-3-methyloxiran-2-yl>ethyl>-6-<(S)-1-(methoxymethoxy)-1,5-dimethylhex-4-enyl>-3-methyl-2H-pyran-3-ol
    —— (2R,3S,4S,5R,6S)-3,4,5-tris(benzyloxy)-2-((benzyloxy)methyl)-6-(((2R,3R,4S,5R,6S)-3,4,5-tris(benzyloxy)-6-(ethylthio)tetrahydro-2H-pyran-2-yl)methoxy)tetrahydro-2H-pyran 154618-80-1 C63H68O10S
    (2R,3S,4S,5R,6S)-3,4,5-tris(benzyloxy)-2-((benzyloxy)methyl)-6-(((2R,3R,4S,5R,6S)-3,4,5-tris(benzyloxy)-6-(ethylthio)tetrahydro-2H-pyran-2-yl)methoxy)tetrahydro-2H-pyran
    —— (2-methoxy-9H-fluoren-9-ylidene)hydrazine 100872-08-0 C14H12N2O
    (2-methoxy-9H-fluoren-9-ylidene)hydrazine
    —— 2,3-diphthalimido-hydroquinone 872269-75-5 C22H12N2O6
    2,3-diphthalimido-hydroquinone
    —— 2-Chlor-4-aethylamino-6-(1-methylcyclopropylamino)-s-triazin 23107-37-1 C9H14ClN5
    2-Chlor-4-aethylamino-6-(1-methylcyclopropylamino)-s-triazin
    —— 2,5-Dihydro-2-methyl-α-(2,4,6-trimethylphenylhydrazono)-2-thiazolessigsaeure-methylester 78727-36-3 C16H21N3O2S
    2,5-Dihydro-2-methyl-α-(2,4,6-trimethylphenylhydrazono)-2-thiazolessigsaeure-methylester
    —— 2-Oxo-imidazolidine-1-carbothioic acid [2-(3,4-dimethoxy-phenyl)-ethyl]-amide 85694-66-2 C14H19N3O3S
    2-Oxo-imidazolidine-1-carbothioic acid [2-(3,4-dimethoxy-phenyl)-ethyl]-amide
    —— 2-chloro-6a-(4-methoxyphenyl)-5,6a-dihydroisochromeno[3,4-b]chromene 1620151-57-6 C23H17ClO3
    2-chloro-6a-(4-methoxyphenyl)-5,6a-dihydroisochromeno[3,4-b]chromene
    —— 2-chloro-4-([(2,5-dichlorophenyl)methyl][(3S)-1-hexanoyl-3-pyrrolidinyl]amino)benzonitrile 1034847-33-0 C24H26Cl3N3O
    2-chloro-4-([(2,5-dichlorophenyl)methyl][(3S)-1-hexanoyl-3-pyrrolidinyl]amino)benzonitrile
    —— 2(5H)-Furanone, 5-butyl-3-(cyclopropylphenylmethyl)-4-hydroxy- 164344-56-3 C18H22O3
    2(5H)-Furanone, 5-butyl-3-(cyclopropylphenylmethyl)-4-hydroxy-
    —— (2S,3R)-3-((S)-1-Hydroxy-ethyl)-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester 135758-02-0 C14H17NO5
    (2S,3R)-3-((S)-1-Hydroxy-ethyl)-1-(4-methoxy-phenyl)-4-oxo-azetidine-2-carboxylic acid methyl ester
    —— 2,2,3-Trimethyl-1-<p-chlor-phenyl>-cyclopropan 91766-87-9 C12H15Cl
    2,2,3-Trimethyl-1-<p-chlor-phenyl>-cyclopropan
    —— (2Z,8Z)-(13R,15R)-13,15-Dihydroxy-tricyclo[8.2.2.2<sup>4,7</sup>]hexadeca-1(12),2,4(16),6,8,10(14)-hexaene-5,11-dione 100813-90-9 C16H12O4
    (2Z,8Z)-(13R,15R)-13,15-Dihydroxy-tricyclo[8.2.2.2<sup>4,7</sup>]hexadeca-1(12),2,4(16),6,8,10(14)-hexaene-5,11-dione
    —— 2-butyl-r-2-(phenylethynyl)-c-3-vinyloxirane 72206-18-9 C16H18O
    2-butyl-r-2-(phenylethynyl)-c-3-vinyloxirane
    —— 2,3,5',6'-tetra-O-benzyl-4,7-O-benzylidenevalidoxylamine A 137063-14-0 C49H53NO8
    2,3,5',6'-tetra-O-benzyl-4,7-O-benzylidenevalidoxylamine A
    —— (2S,3E)-4-phenylpent-3-en-2-yl 2,6-difluorobenzoate 864777-98-0 C18H16F2O2
    (2S,3E)-4-phenylpent-3-en-2-yl 2,6-difluorobenzoate
    —— 2-[2-(2-Chloro-acetylamino)-thiazol-4-yl]-2-[(Z)-methoxyimino]-N-(5-methyl-isoxazol-3-yl)-acetamide 117782-49-7 C12H12ClN5O4S
    2-[2-(2-Chloro-acetylamino)-thiazol-4-yl]-2-[(Z)-methoxyimino]-N-(5-methyl-isoxazol-3-yl)-acetamide
    —— (2R,3R)-2-cyanomethyl-3-formyl-7-oxabicyclo<2.2.1>heptane 82337-08-4 C9H11NO2
    (2R,3R)-2-cyanomethyl-3-formyl-7-oxabicyclo<2.2.1>heptane
    —— 2-acetamide-1,3-bisacetoxy-2-{2-[3-(3-chloro-4-benzyloxyphenyl)phenyl]ethyl}propane 845551-16-8 C30H32ClNO6
    2-acetamide-1,3-bisacetoxy-2-{2-[3-(3-chloro-4-benzyloxyphenyl)phenyl]ethyl}propane
    —— 2-(cyclohept-2-enyl)-3-(1,1-dimethylheptyl)-benzene-1,5-diol 916509-81-4 C22H34O2
    2-(cyclohept-2-enyl)-3-(1,1-dimethylheptyl)-benzene-1,5-diol
    —— 2-Oximino-5-hexensaeureethylester 31918-32-8 C8H13NO3
    2-Oximino-5-hexensaeureethylester
    —— 2,6-dichloro-N-(((2-(2,2-dichloro-1,1-difluoroethoxy)phenyl)amino)carbonyl)-benzamide 69095-53-0 C16H10Cl4F2N2O3
    2,6-dichloro-N-(((2-(2,2-dichloro-1,1-difluoroethoxy)phenyl)amino)carbonyl)-benzamide
    —— 2-(3,5-dimethyl-6-(naphthalen-1-ylsulfonyl)-6H-thieno[2,3-b]pyrrol-4-yl)acetic acid 1179808-64-0 C20H17NO4S2
    2-(3,5-dimethyl-6-(naphthalen-1-ylsulfonyl)-6H-thieno[2,3-b]pyrrol-4-yl)acetic acid
    —— 2-phenylanthracene-1,4-dione 1192552-45-6 C20H12O2
    2-phenylanthracene-1,4-dione
    —— (+/-)-2<i>endo</i>,4<i>exo</i>-diphenyl-bicyclo[3.3.1]nonan-9-one 13116-65-9 C21H22O
    (+/-)-2<i>endo</i>,4<i>exo</i>-diphenyl-bicyclo[3.3.1]nonan-9-one
    —— 2-[2,3-dihydro-4-methyl-3-(4-methylphenyl)-1,3-selenazol-2-ylidene]propane-1,3-dinitrile 1021489-13-3 C14H11N3Se
    2-[2,3-dihydro-4-methyl-3-(4-methylphenyl)-1,3-selenazol-2-ylidene]propane-1,3-dinitrile
    —— 2-cyclobutylmethyl-6-(2,2-dimethyl-propyl)-5-hydroxy-4-(7-iodo-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-3-yl)-2H-pyridazin-3-one 1038403-88-1 C21H25IN4O4S
    2-cyclobutylmethyl-6-(2,2-dimethyl-propyl)-5-hydroxy-4-(7-iodo-1,1-dioxo-1,4-dihydro-1λ6-benzo[e][1,2,4]thiadiazin-3-yl)-2H-pyridazin-3-one
    —— 2-(6'-carboxy-1'E-hexylidene)cyclopentanone 85745-91-1 C12H18O3
    2-(6'-carboxy-1'E-hexylidene)cyclopentanone
    —— 2-[10,15,20-Tris(2-hydroxyethyl)-5,10,15,20-tetramethyl-21,22,23,24-tetrahydroporphyrin-5-yl]ethanol 1044747-23-0 C32H44N4O4
    2-[10,15,20-Tris(2-hydroxyethyl)-5,10,15,20-tetramethyl-21,22,23,24-tetrahydroporphyrin-5-yl]ethanol
    —— (2R,3S,5S)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite 116003-06-6 C40H49N4O8P
    (2R,3S,5S)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite
    —— 2-[(2-{[2-(phenylethynyl)phenyl]ethynyl}phenyl)ethynyl]aniline 1337901-56-0 C30H19N
    2-[(2-{[2-(phenylethynyl)phenyl]ethynyl}phenyl)ethynyl]aniline
    —— 2-(9,10-Dihydro-9-anthryl)-2-methyl-1-phenyl-1-propanon 126256-12-0 C24H22O
    2-(9,10-Dihydro-9-anthryl)-2-methyl-1-phenyl-1-propanon
    —— (2S,4R)-N-[4,5-dimethoxy-2-nitrobenzoyl]-4-hydroxypyrrolidine-2-carboxaldehyde diethyl thioacetal 757189-90-5 C18H26N2O6S2
    (2S,4R)-N-[4,5-dimethoxy-2-nitrobenzoyl]-4-hydroxypyrrolidine-2-carboxaldehyde diethyl thioacetal
    —— (2,6-(2,6-<sup>i</sup>Pr<sub>2</sub>-C<sub>6</sub>H<sub>3</sub>N=CMe)<sub>2</sub>C<sub>5</sub>H<sub>3</sub>N)CoCl 392292-96-5 C33H43ClCoN3
    (2,6-(2,6-<sup>i</sup>Pr<sub>2</sub>-C<sub>6</sub>H<sub>3</sub>N=CMe)<sub>2</sub>C<sub>5</sub>H<sub>3</sub>N)CoCl
    —— (2'S,2R,3S,4R,5S,6S)-acetic acid 3,4-bis-allyloxy-5-(benzoylamino-naphthalen-1-yl-methyl)-6-methoxy-tetrahydro-pyran-2-ylmethyl ester 1332628-49-5 C33H37NO7
    (2'S,2R,3S,4R,5S,6S)-acetic acid 3,4-bis-allyloxy-5-(benzoylamino-naphthalen-1-yl-methyl)-6-methoxy-tetrahydro-pyran-2-ylmethyl ester
    —— (2-Bromo-1-bromomethyl-ethoxymethoxymethyl)-benzene 140886-03-9 C11H14Br2O2
    (2-Bromo-1-bromomethyl-ethoxymethoxymethyl)-benzene
    —— (2S,4R)-1-tert-butyl 2-methyl 4-(3-ethyl-1-methyl-1H-pyrazole-5-carboxamido)pyrrolidine-1,2-dicarboxylate 1558040-39-3 C18H28N4O5
    (2S,4R)-1-tert-butyl 2-methyl 4-(3-ethyl-1-methyl-1H-pyrazole-5-carboxamido)pyrrolidine-1,2-dicarboxylate
    —— 2,4,6-tri(2-benzothiazolyl)pyridine 82605-57-0 C26H14N4S3
    2,4,6-tri(2-benzothiazolyl)pyridine
    —— 2-[5-Chloro-6-oxo-1-(tetrahydro-pyran-2-yl)-1,6-dihydro-pyridazin-4-yloxy]-N-cyclohexyl-acetamide 710293-05-3 C17H24ClN3O4
    2-[5-Chloro-6-oxo-1-(tetrahydro-pyran-2-yl)-1,6-dihydro-pyridazin-4-yloxy]-N-cyclohexyl-acetamide
    —— (2S,5R,6R)-3,5-dimethyl-6-(2,3,5,6-tetramethoxy-4-methyl-phenyl)-5,6-dihydro-2H-pyran-2-carboxylic acid methyl ester 851759-67-6 C20H28O7
    (2S,5R,6R)-3,5-dimethyl-6-(2,3,5,6-tetramethoxy-4-methyl-phenyl)-5,6-dihydro-2H-pyran-2-carboxylic acid methyl ester
    —— 2-bromo-N-[6-methyl-2-(3,4,5-trimethoxybenzoyl)-1-benzothien-3-yl]acetamide 1316288-82-0 C21H20BrNO5S
    2-bromo-N-[6-methyl-2-(3,4,5-trimethoxybenzoyl)-1-benzothien-3-yl]acetamide
    —— 2-Chloro-1-(9-chloro-3,4,5,6-tetrahydro-2H-benzo[b]azocin-1-yl)-ethanone 24098-26-8 C13H15Cl2NO
    2-Chloro-1-(9-chloro-3,4,5,6-tetrahydro-2H-benzo[b]azocin-1-yl)-ethanone