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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2'-(3-methylbenzoyl)acetophenone 1579254-83-3 C16H14O2
    2'-(3-methylbenzoyl)acetophenone
    —— [2-(2-butylsulfanyl-ethoxy)-ethoxy]-ethene 24420-32-4 C10H20O2S
    [2-(2-butylsulfanyl-ethoxy)-ethoxy]-ethene
    —— 2,6-dimethyl-2,6-benzyloxymethyl-4-piperidone 1044254-07-0 C23H29NO3
    2,6-dimethyl-2,6-benzyloxymethyl-4-piperidone
    —— 2-amino-5-(2'-fluoro-3'-methoxybiphenyl-3-yl)-3-methyl-5-[4-(pentafluoro-λ6-sulfanyl)phenyl]-3,5-dihydro-4H-imidazol-4-one 1228094-60-7 C23H19F6N3O2S
    2-amino-5-(2'-fluoro-3'-methoxybiphenyl-3-yl)-3-methyl-5-[4-(pentafluoro-λ6-sulfanyl)phenyl]-3,5-dihydro-4H-imidazol-4-one
    —— 2-(butyloxy)-8-(methyloxy)-9-[6-(1-pyrrolidinyl)hexyl]-9H-purin-6-amine 1207628-68-9 C20H34N6O2
    2-(butyloxy)-8-(methyloxy)-9-[6-(1-pyrrolidinyl)hexyl]-9H-purin-6-amine
    —— (2S,4S,E)-2,4-dimethyl-7-phenyl-1-(triisopropylsilyloxy)hept-5-en-3-one 1221065-88-8 C24H40O2Si
    (2S,4S,E)-2,4-dimethyl-7-phenyl-1-(triisopropylsilyloxy)hept-5-en-3-one
    —— 2-<<(tert-butyldimethylsilyl)oxy>methyl>-3-acetoxycyclopentene 77419-56-8 C14H26O3Si
    2-<<(tert-butyldimethylsilyl)oxy>methyl>-3-acetoxycyclopentene
    —— (2Z,4E,6R,7S,9S,10Z,12S,13R,14S,15Z,19R,20R,21S,22S,23Z)-21-(4-methoxybenzyloxy)-1,7,13,19-tetrakis(tert-butyldimethylsilyloxy)-6,12,14,20,22-pentamethylhexacosa-2,4,10,15,23,25-hexaen-9-ol 945402-13-1 C63H116O7Si4
    (2Z,4E,6R,7S,9S,10Z,12S,13R,14S,15Z,19R,20R,21S,22S,23Z)-21-(4-methoxybenzyloxy)-1,7,13,19-tetrakis(tert-butyldimethylsilyloxy)-6,12,14,20,22-pentamethylhexacosa-2,4,10,15,23,25-hexaen-9-ol
    —— 2-methyl-2-propanyl {[(1S,2R,3S,4R)-3-({[dimethyl(2-methyl-2-propanyl)silyl]oxy}methyl)-2-(1-propen-1-yl)-4-(tetrahydro-2H-pyran-2-yloxy)cyclopentyl]oxy}acetate 1262874-64-5 C26H48O6Si
    2-methyl-2-propanyl {[(1S,2R,3S,4R)-3-({[dimethyl(2-methyl-2-propanyl)silyl]oxy}methyl)-2-(1-propen-1-yl)-4-(tetrahydro-2H-pyran-2-yloxy)cyclopentyl]oxy}acetate
    —— 2-(cyclohexyl)-4,6-diphenylphosphinine 1403575-83-6 C23H23P
    2-(cyclohexyl)-4,6-diphenylphosphinine
    —— 2.4-Dimethyl-cyclopentanon-(3)-carbonsaeure-thiosemicarbazon 90768-94-8 C9H15N3O2S
    2.4-Dimethyl-cyclopentanon-(3)-carbonsaeure-thiosemicarbazon
    —— 2-<2-Hydroxy-benzyl>-2,3-dihydro-thianaphthen-3-ol 92549-10-5 C15H14O2S
    2-<2-Hydroxy-benzyl>-2,3-dihydro-thianaphthen-3-ol
    —— 2,5-Diaethoxy-2'-(dimethylamino-methyl)-benzhydrol 94876-69-4 C20H27NO3
    2,5-Diaethoxy-2'-(dimethylamino-methyl)-benzhydrol
    —— 2-Cyan-9-hydrazono-fluoren 100873-65-2 C14H9N3
    2-Cyan-9-hydrazono-fluoren
    —— 2-Methyl-5-phenyl-1,3,4-oxadiazolium Perchlorat 17646-48-9 C9H8N2O*ClHO4
    2-Methyl-5-phenyl-1,3,4-oxadiazolium Perchlorat
    —— 2-Selenoxo-4,5-imidazolidinedione 312958-15-9 C3HN2O2Se
    2-Selenoxo-4,5-imidazolidinedione
    —— 2-(Oxan-3-yl)propanal 1554288-98-0 C8H14O2
    2-(Oxan-3-yl)propanal
    —— 2-Hydroxypropane-1,2,3-tricarboxylic acid;2-methylquinoline 1380612-70-3 C6H8O7*C10H9N
    2-Hydroxypropane-1,2,3-tricarboxylic acid;2-methylquinoline
    —— 2,3,4,5-Tetramethyl-anti-tricyclo[4.4.0.02,5]deca-3,7,9-trien-1,6-dicarbonsaeure-dimethylester 51545-15-4 C18H22O4
    2,3,4,5-Tetramethyl-anti-tricyclo[4.4.0.02,5]deca-3,7,9-trien-1,6-dicarbonsaeure-dimethylester
    —— (2S,3R,4R)-3-Hydroxy-4-methyl-3-phenyl-1-(toluene-4-sulfonyl)-pyrrolidine-2-carboxylic acid methyl ester 100665-14-3 C20H23NO5S
    (2S,3R,4R)-3-Hydroxy-4-methyl-3-phenyl-1-(toluene-4-sulfonyl)-pyrrolidine-2-carboxylic acid methyl ester
    —— (2R,3R)-3-Nitro-4-phenyl-butan-2-ol 96040-24-3 C10H13NO3
    (2R,3R)-3-Nitro-4-phenyl-butan-2-ol
    —— 2β-iodo-3-oxogibberellin A<sub>4</sub> methyl ester 90831-01-9 C20H23IO5
    2β-iodo-3-oxogibberellin A<sub>4</sub> methyl ester
    —— 2-{(4-fluorophenyl)-[4-(5-methyl-1H-pyrazol-3-ylamino)pyrrolo[2,1-f][1,2,4]triazin-2-yl]methoxy}ethanol 1204247-26-6 C19H19FN6O2
    2-{(4-fluorophenyl)-[4-(5-methyl-1H-pyrazol-3-ylamino)pyrrolo[2,1-f][1,2,4]triazin-2-yl]methoxy}ethanol
    —— (2S,3R,4R,5S,6R)-2-(4-chloro-5-(4-ethynylbenzyl)-2-(methoxy-d3)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol 1204220-49-4 C22H23ClO6
    (2S,3R,4R,5S,6R)-2-(4-chloro-5-(4-ethynylbenzyl)-2-(methoxy-d3)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
    —— 2-amino-2-(3-fluoro-5-trifluoromethylphenyl)ethanol 1270331-03-7 C9H9F4NO
    2-amino-2-(3-fluoro-5-trifluoromethylphenyl)ethanol
    —— 2-((1-(4-methoxy-2,6-dimethylphenylsulfonyl)piperidin-2-yl)methoxy)-1-(4-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)piperidin-1-yl)ethanone 1018821-26-5 C29H37N5O6S
    2-((1-(4-methoxy-2,6-dimethylphenylsulfonyl)piperidin-2-yl)methoxy)-1-(4-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)piperidin-1-yl)ethanone
    —— (2-amino-2-carboxy-ethyl)-disulfanyl 27870-13-9 C3H6NO2S2
    (2-amino-2-carboxy-ethyl)-disulfanyl
    —— 2-(4-(4-(2-bromoethyl)-1H-1,2,3-triazol-1-yl)butyl)isoindoline-1,3-dione 1426338-67-1 C16H17BrN4O2
    2-(4-(4-(2-bromoethyl)-1H-1,2,3-triazol-1-yl)butyl)isoindoline-1,3-dione
    —— (2S,2'R,3S,4S,5S,6'S)-2,5-bis[6'-(tert-butyldimethylsilyloxy)-2'-hydroxyheptyl]-3,4-dimethoxyrrolidine 393109-17-6 C32H69NO6Si2
    (2S,2'R,3S,4S,5S,6'S)-2,5-bis[6'-(tert-butyldimethylsilyloxy)-2'-hydroxyheptyl]-3,4-dimethoxyrrolidine
    —— (2-carboxymethyl-phenyl)-dichloro-λ<sup>3</sup>-iodane 2005-16-5 C8H7Cl2IO2
    (2-carboxymethyl-phenyl)-dichloro-λ<sup>3</sup>-iodane
    —— 2-benzyl-5-chloro-1H-indol-3-ylamine 936243-89-9 C15H13ClN2
    2-benzyl-5-chloro-1H-indol-3-ylamine
    —— 2-tert-butyl 3-methyl (3S,8aS)-hexahydropyrrolo[1,2-a]pyrazine-2,3(1H)-dicarboxylate 1266229-22-4 C14H24N2O4
    2-tert-butyl 3-methyl (3S,8aS)-hexahydropyrrolo[1,2-a]pyrazine-2,3(1H)-dicarboxylate
    —— 2,2'-diamino-5,5'-dimethyl-4,4'-bithiazole 287476-01-1 C8H10N4S2
    2,2'-diamino-5,5'-dimethyl-4,4'-bithiazole
    —— 2,3,4,6-tetrahydro-1,2,4-triazino<5,6-c>isoquinoline-3,6-dione 140862-87-9 C10H6N4O2
    2,3,4,6-tetrahydro-1,2,4-triazino<5,6-c>isoquinoline-3,6-dione
    —— 2-ethylsulfanyl-octanal-diethyldithioacetal 100888-34-4 C14H30S3
    2-ethylsulfanyl-octanal-diethyldithioacetal
    —— (2S,3R,4S,5S,6S)-2-hydroxy-6-((((2R,3R,4S,5R,6S)-3,4,5-tris(benzyloxy)-6-methoxytetrahydro-2H-pyran-2-yl)methyl)carbamoyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 1226981-60-7 C40H47NO14
    (2S,3R,4S,5S,6S)-2-hydroxy-6-((((2R,3R,4S,5R,6S)-3,4,5-tris(benzyloxy)-6-methoxytetrahydro-2H-pyran-2-yl)methyl)carbamoyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate
    —— 2-(5-Methyl-thiophen-2-yl)-4-p-tolyl-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepine 194469-49-3 C21H21NS2
    2-(5-Methyl-thiophen-2-yl)-4-p-tolyl-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepine
    —— 2-Amino-2-phenoxy-1-cyan-aethylen-1-carbonsaeure-aethylester 6825-58-7 C12H12N2O3
    2-Amino-2-phenoxy-1-cyan-aethylen-1-carbonsaeure-aethylester
    —— 2-(4-chlorophenyl)-7-methoxybenzo[b][1,8]naphthyridine-3-carbonitrile 1269628-66-1 C20H12ClN3O
    2-(4-chlorophenyl)-7-methoxybenzo[b][1,8]naphthyridine-3-carbonitrile
    —— (2-hydroxyphenyl) 3-(4-chlorophenyl)-3-oxopropanoate 113722-01-3 C15H11ClO4
    (2-hydroxyphenyl) 3-(4-chlorophenyl)-3-oxopropanoate
    —— (2-Phenyl-ethyl)-oxaminsaeure-(α-benzoyl-phenylhydrazid) 101298-23-1 C23H21N3O3
    (2-Phenyl-ethyl)-oxaminsaeure-(α-benzoyl-phenylhydrazid)
    —— (2-benzo[1,3]dioxol-5-yl-ethyl)-pyridin-4-ylmethylene-amine 1539-37-3 C15H14N2O2
    (2-benzo[1,3]dioxol-5-yl-ethyl)-pyridin-4-ylmethylene-amine
    —— 2-Methoxycarbonyl-2'-<9-methoxy-fluorenyl-(9)>-biphenyl 96175-07-4 C28H22O3
    2-Methoxycarbonyl-2'-<9-methoxy-fluorenyl-(9)>-biphenyl
    —— 2,3,3-Trimethyl-2-phenyl-cyclopentancarbonsaeure-methylester 101277-01-4 C16H22O2
    2,3,3-Trimethyl-2-phenyl-cyclopentancarbonsaeure-methylester
    —— 2-Phenyl-4,6-bis-ethoxycarbonyl-1,3,5-triazin 1040-66-0 C15H15N3O4
    2-Phenyl-4,6-bis-ethoxycarbonyl-1,3,5-triazin
    —— 2-N-Benzoyl-4-O-m-nitrobenzoyl-spiroxazon 90115-56-3 C24H18N4O6
    2-N-Benzoyl-4-O-m-nitrobenzoyl-spiroxazon
    —— 2,2'-Diphensaeure-bis-(3-nitrophenyl-ester) 24014-08-2 C26H16N2O8
    2,2'-Diphensaeure-bis-(3-nitrophenyl-ester)
    —— 2-Ethoxy-4-phenyl-cyclohexen-Δ<sup>1,2</sup>-on-(6)-yl-(1)-iodoniumbromid 112351-52-7 Br*C20H20IO2
    2-Ethoxy-4-phenyl-cyclohexen-Δ<sup>1,2</sup>-on-(6)-yl-(1)-iodoniumbromid
    —— 2,2'-Diphensaeure-phenyl-(2-trichloraethyl)-ester 24014-16-2 C22H15Cl3O4
    2,2'-Diphensaeure-phenyl-(2-trichloraethyl)-ester
    —— 2-<2-Benzamino-phenyl>-perimidin 1055-33-0 C24H17N3O
    2-<2-Benzamino-phenyl>-perimidin