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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2,5-dimethylthiophene radical 29384-20-1 C6H7S
    2,5-dimethylthiophene radical
    —— (2S,3S)-3-phenyl-3-(4-phenyl-2,3-dihydro-1H-indol-1-yl)propane-1,2-diol 930790-18-4 C23H23NO2
    (2S,3S)-3-phenyl-3-(4-phenyl-2,3-dihydro-1H-indol-1-yl)propane-1,2-diol
    —— 2-Methallylimino-3-p-chlorphenylsulfonyl-thiazolidin 53453-45-5 C13H15ClN2O2S2
    2-Methallylimino-3-p-chlorphenylsulfonyl-thiazolidin
    —— 2-ethyl-3-(1-oxy-pyridin-2-yl)-quinoxaline 1,4-dioxide 34488-31-8 C15H13N3O3
    2-ethyl-3-(1-oxy-pyridin-2-yl)-quinoxaline 1,4-dioxide
    —— 2,3-Dichloro-N-(1,1-dimethyl-3-oxo-butyl)-propionamide 36749-78-7 C9H15Cl2NO2
    2,3-Dichloro-N-(1,1-dimethyl-3-oxo-butyl)-propionamide
    —— 2,6-Di(α-pyridyl)-4-hydroxy-5-(2',4'-dichlorphenyl)pyrimidin 14757-00-7 C20H12Cl2N4O
    2,6-Di(α-pyridyl)-4-hydroxy-5-(2',4'-dichlorphenyl)pyrimidin
    —— (2E/Z,4E)-N-Isobutyl 3-methyl-13-(2-quinolinyl)trideca-2,4-dienamide.hydrochloride 124466-93-9 C27H38N2O*ClH
    (2E/Z,4E)-N-Isobutyl 3-methyl-13-(2-quinolinyl)trideca-2,4-dienamide.hydrochloride
    —— 2-(N-Methyl-N-2,4-xylylamino)ethanol 52235-03-7 C11H17NO
    2-(N-Methyl-N-2,4-xylylamino)ethanol
    —— 2-[N-(4-Formylaminobenzoyl)amino]-4-[(2-diisopropylaminoethyl)aminocarbonyl]-1,3-thiazole 185105-80-0 C20H27N5O3S
    2-[N-(4-Formylaminobenzoyl)amino]-4-[(2-diisopropylaminoethyl)aminocarbonyl]-1,3-thiazole
    —— 2-[N-(2,4,5-Trimethoxybenzoyl)amino]-4-[[2-(N-methoxy-N-methylamino)ethyl]aminocarbonyl]-1,3-thiazole 185104-93-2 C18H24N4O6S
    2-[N-(2,4,5-Trimethoxybenzoyl)amino]-4-[[2-(N-methoxy-N-methylamino)ethyl]aminocarbonyl]-1,3-thiazole
    —— (2Z,4E)-N-Benzyl-5-(2-indolyl)-2-methoxy-2,4-pentadienamide 180867-82-7 C21H20N2O2
    (2Z,4E)-N-Benzyl-5-(2-indolyl)-2-methoxy-2,4-pentadienamide
    —— 2-[(3aR,5S,7R,7aR)-7-bromo-2,2,7a-trimethyl-4,5,6,7-tetrahydro-3aH-1,3-benzodioxol-5-yl]propane-1,3-diol 898800-96-9 C13H23BrO4
    2-[(3aR,5S,7R,7aR)-7-bromo-2,2,7a-trimethyl-4,5,6,7-tetrahydro-3aH-1,3-benzodioxol-5-yl]propane-1,3-diol
    —— [2-[(4-methoxyphenyl)methyl]phenyl]-[(2S,3R,4S,5R,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]methanol 1188523-39-8 C49H50O7
    [2-[(4-methoxyphenyl)methyl]phenyl]-[(2S,3R,4S,5R,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]methanol
    —— 2-(4-isopropylphenyl)-4H-furo[3,2-b]pyrrole-5-carbaldehyde 1138343-28-8 C16H15NO2
    2-(4-isopropylphenyl)-4H-furo[3,2-b]pyrrole-5-carbaldehyde
    —— 2-(furan-2-yl)-6-(4-methoxyphenyl)-4-(trifluoromethyl)pyridine 1453810-21-3 C17H12F3NO2
    2-(furan-2-yl)-6-(4-methoxyphenyl)-4-(trifluoromethyl)pyridine
    —— (2S,3S)-3-acetyl-1-[tert-butyl(dimethyl)silyl]-4-oxoazetidine-2-carboxylic acid 82938-52-1 C12H21NO4Si
    (2S,3S)-3-acetyl-1-[tert-butyl(dimethyl)silyl]-4-oxoazetidine-2-carboxylic acid
    —— 2-(4-chloro-phenyl)-5,6,7,8-tetrahydro-quinoline-5-carboxylic acid 59839-06-4 C16H14ClNO2
    2-(4-chloro-phenyl)-5,6,7,8-tetrahydro-quinoline-5-carboxylic acid
    —— 2,4-Dinitro-naphthyl-thiobenzoat 36025-06-6 C17H10N2O5S
    2,4-Dinitro-naphthyl-thiobenzoat
    —— 2,8-Dimethyl-2,5,8-nonantriol 41189-23-5 C11H24O3
    2,8-Dimethyl-2,5,8-nonantriol
    —— 2-heptadecyl-3,5-dihexadecyl-6-octadecanoyloxy-pyran-4-one 19758-61-3 C72H136O4
    2-heptadecyl-3,5-dihexadecyl-6-octadecanoyloxy-pyran-4-one
    —— 2-Formyl-A-nor-5α-androst-1-en-17β-ol 21952-82-9 C19H28O2
    2-Formyl-A-nor-5α-androst-1-en-17β-ol
    —— 2,3-Dihydro-1H,8H-3a,7b,12b-triazobenz<c>acephenantrylen-8-on 32675-32-4 C17H15N3O
    2,3-Dihydro-1H,8H-3a,7b,12b-triazobenz<c>acephenantrylen-8-on
    —— 2-(1,1,2,2,3,3,4,4,5,5,5-Undecafluoropentyl)chromen-4-one 1003856-76-5 C14H5F11O2
    2-(1,1,2,2,3,3,4,4,5,5,5-Undecafluoropentyl)chromen-4-one
    —— 2-Iod-4-tert-butylbiphenyl 70729-02-1 C16H17I
    2-Iod-4-tert-butylbiphenyl
    —— (2R)-N-[1-(2-amino-2-oxoethyl)-5-morpholin-4-yl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]-3-(3,4-difluorophenyl)-2-(4-fluorophenyl)propanamide 376583-70-9 C30H28F3N5O4
    (2R)-N-[1-(2-amino-2-oxoethyl)-5-morpholin-4-yl-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]-3-(3,4-difluorophenyl)-2-(4-fluorophenyl)propanamide
    —— (2S)-N-[1-(2-amino-2-oxoethyl)-5-(4-methoxyphenyl)-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]-3-(3,4-difluorophenyl)-2-methylpropanamide 376583-09-4 C28H26F2N4O4
    (2S)-N-[1-(2-amino-2-oxoethyl)-5-(4-methoxyphenyl)-2-oxo-2,3-dihydro-1H-1,4-benzodiazepin-3-yl]-3-(3,4-difluorophenyl)-2-methylpropanamide
    —— 2-cyclopropyl-imidazo[1,2-a]pyrazin-3-amine 723286-63-3 C9H10N4
    2-cyclopropyl-imidazo[1,2-a]pyrazin-3-amine
    —— 2-(diethylamino)-7-n-dodecyloxy-4H-1-benzopyran-4-one 667429-25-6 C25H39NO3
    2-(diethylamino)-7-n-dodecyloxy-4H-1-benzopyran-4-one
    —— 2,3,4,5-tetra-O-benzyl-6-O-(2,3,4,6-tetra-O-benzyl-α-D-mannopyranosyl)-D-myo-inositol 908853-74-7 C68H70O11
    2,3,4,5-tetra-O-benzyl-6-O-(2,3,4,6-tetra-O-benzyl-α-D-mannopyranosyl)-D-myo-inositol
    —— 2,6-Dimethyl-8-(2,6,6-trimethyl-cyclohexen-1-yl)-octadien-1,5-in-7-carbonsaeure-1-ethylester 95285-83-9 C22H32O2
    2,6-Dimethyl-8-(2,6,6-trimethyl-cyclohexen-1-yl)-octadien-1,5-in-7-carbonsaeure-1-ethylester
    —— [2-(4-methoxyphenyl)ethyl]phosphinic acid 1252759-98-0 C9H13O3P
    [2-(4-methoxyphenyl)ethyl]phosphinic acid
    —— 2-benzyloxy-3-tert-butoxy-cyclobutanone 519054-90-1 C15H20O3
    2-benzyloxy-3-tert-butoxy-cyclobutanone
    —— 2-[2-(4-Acetamido-3-nitrophenyl)vinyl]furan 128618-56-4 C14H12N2O4
    2-[2-(4-Acetamido-3-nitrophenyl)vinyl]furan
    —— 2-amino-3-(1H-indol-3-yl)-2-methylpropan-1-ol 1428796-46-6 C12H16N2O
    2-amino-3-(1H-indol-3-yl)-2-methylpropan-1-ol
    —— 2-[(1S,2S)-3-((S)-2,2-Diethyl-[1,3]dioxolan-4-yl)-2-hydroxy-1-methyl-propyl]-isoindole-1,3-dione 209340-99-8 C19H25NO5
    2-[(1S,2S)-3-((S)-2,2-Diethyl-[1,3]dioxolan-4-yl)-2-hydroxy-1-methyl-propyl]-isoindole-1,3-dione
    —— 2-Carbomethoxy-5-hydroxy-8-chlor-3,4,10-trioxo-1,2,3,4,4a,9,9a,10-octahydroanthracen 22666-98-4 C16H13ClO6
    2-Carbomethoxy-5-hydroxy-8-chlor-3,4,10-trioxo-1,2,3,4,4a,9,9a,10-octahydroanthracen
    —— 2-(2-bromoethyl)-1,2-thiazolidine-1,1-dione 1157050-15-1 C5H10BrNO2S
    2-(2-bromoethyl)-1,2-thiazolidine-1,1-dione
    —— 2α-methyl-17β-(tert-butyldimethylsiloxy)-6β,19-epoxyandrost-4-en-3-one 675833-27-9 C26H42O3Si
    2α-methyl-17β-(tert-butyldimethylsiloxy)-6β,19-epoxyandrost-4-en-3-one
    —— 2-(2-{(S)-2-[(1R,3aS,7aR,E)-4-((E)-2-{(3S,5R)-3,5-bis[(tert-butyldimethylsilyl)oxy]-2-methylenecyclohexylidene}ethylidene)-7a-methyloctahydro-1H-inden-1-yl]propyl}-2H-tetrazole-5-yl)propan-2-ol 1356484-73-5 C38H68N4O3Si2
    2-(2-{(S)-2-[(1R,3aS,7aR,E)-4-((E)-2-{(3S,5R)-3,5-bis[(tert-butyldimethylsilyl)oxy]-2-methylenecyclohexylidene}ethylidene)-7a-methyloctahydro-1H-inden-1-yl]propyl}-2H-tetrazole-5-yl)propan-2-ol
    —— 2-methyl-1,1,3-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-4-carboxylic acid pyridin-2-ylamide 36077-95-9 C15H13N3O4S
    2-methyl-1,1,3-trioxo-1,2,3,4-tetrahydro-1λ6-benzo[e][1,2]thiazine-4-carboxylic acid pyridin-2-ylamide
    —— 2-(6-isobutyl-pyridin-3-yl)-propionic acid 69946-00-5 C12H17NO2
    2-(6-isobutyl-pyridin-3-yl)-propionic acid
    —— 2,3-Di(N-nitro-p-toluolsulfonamido)-1,4-dioxan 71665-93-5 C18H20N4O10S2
    2,3-Di(N-nitro-p-toluolsulfonamido)-1,4-dioxan
    —— 2-Cyclohex-1-enyl-3-[1-phenyl-meth-(E)-ylidene]-succinic acid 4-methyl ester 69987-81-1 C18H20O4
    2-Cyclohex-1-enyl-3-[1-phenyl-meth-(E)-ylidene]-succinic acid 4-methyl ester
    —— 2-(6,7-Dimethoxy-2-methyl-1,2,3,4-tetrahydro-isoquinolin-1-yl)-1-phenyl-ethanone 70565-32-1 C20H23NO3
    2-(6,7-Dimethoxy-2-methyl-1,2,3,4-tetrahydro-isoquinolin-1-yl)-1-phenyl-ethanone
    —— (2-Cyano-2-nitroethenylidene)azanide 28273-71-4 C3N3O2
    (2-Cyano-2-nitroethenylidene)azanide
    —— (2'S)-6β,19-Dihydroxy-7α-methoxy-13-(2'-methoxypropyl)-13-desisopropylroyleanon 85170-93-0 C22H32O7
    (2'S)-6β,19-Dihydroxy-7α-methoxy-13-(2'-methoxypropyl)-13-desisopropylroyleanon
    —— 2-(2-chloro-phenyl)-4-(3,5-dimethoxy-phenyl)-2,5,6,7-tetrahydro-cyclopenta[d]pyridazin-1-one 937190-37-9 C21H19ClN2O3
    2-(2-chloro-phenyl)-4-(3,5-dimethoxy-phenyl)-2,5,6,7-tetrahydro-cyclopenta[d]pyridazin-1-one
    —— (2S,3S)-3-(3-chloro-5-fluorophenyl)-3-(2,3-dihydro-1H-indol-1-yl)propane-1,2-diol 930790-86-6 C17H17ClFNO2
    (2S,3S)-3-(3-chloro-5-fluorophenyl)-3-(2,3-dihydro-1H-indol-1-yl)propane-1,2-diol
    —— (2S)-2-{(3S)-3-[(tert-butoxycarbonyl)amino]-2-oxopyrrolidin-1-yl}-3-methoxypropanoic acid 711017-21-9 C13H22N2O6
    (2S)-2-{(3S)-3-[(tert-butoxycarbonyl)amino]-2-oxopyrrolidin-1-yl}-3-methoxypropanoic acid
    —— 2-[4-((S)-2-furan-2yl-1-methyl-ethylamino)-2-oxo-1,2-dihydro-pyridin-3-yl]-6-(2-pyrrolidin-1-yl-ethyl)-6,7-dihydro-1H-1,3,6-triaza-s-indacen-5-one trifluoroacetate 1188411-32-6 C2HF3O2*C27H30N6O3
    2-[4-((S)-2-furan-2yl-1-methyl-ethylamino)-2-oxo-1,2-dihydro-pyridin-3-yl]-6-(2-pyrrolidin-1-yl-ethyl)-6,7-dihydro-1H-1,3,6-triaza-s-indacen-5-one trifluoroacetate