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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Methyl-3-<5,6-dichlor-pyridyl-(3)-carbonylamino>-chinazol-4-on 6769-14-8 C15H10Cl2N4O2
    2-Methyl-3-<5,6-dichlor-pyridyl-(3)-carbonylamino>-chinazol-4-on
    —— 2-Sulfosulfanylmethyl-benzoimidazole-1-carboxylic acid ethyl ester 6826-10-4 C11H12N2O5S2
    2-Sulfosulfanylmethyl-benzoimidazole-1-carboxylic acid ethyl ester
    —— 2,3-Dihydro-benzofuran-2-carboxylic acid (4-propoxy-benzothiazol-2-yl)-amide 15864-03-6 C19H18N2O3S
    2,3-Dihydro-benzofuran-2-carboxylic acid (4-propoxy-benzothiazol-2-yl)-amide
    —— (2R,3R)-3-hydroxy-2,4-dimethylpent-4-enoic acid N-methoxy-N-methylamide 470467-69-7 C9H17NO3
    (2R,3R)-3-hydroxy-2,4-dimethylpent-4-enoic acid N-methoxy-N-methylamide
    —— 2-(6-carboxyhex-2-ynyl)-3-nitromethyl-cyclopentan-1-one 41300-43-0 C13H17NO5
    2-(6-carboxyhex-2-ynyl)-3-nitromethyl-cyclopentan-1-one
    —— 2-Hydroxymethyl-1,3,3,4-tetramethyl-cyclohexanol 105974-34-3 C11H22O2
    2-Hydroxymethyl-1,3,3,4-tetramethyl-cyclohexanol
    —— 2,6-dichloro-N-ethylpyridine-3-carboxamide 1198408-14-8 C8H8Cl2N2O
    2,6-dichloro-N-ethylpyridine-3-carboxamide
    —— (2S,3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-hydroxymethyl-4-isopropenyl-1-(4-methoxy-benzyl)-4-methyl-5-oxo-pyrrolidine-2-carboxylic acid methyl ester 217439-30-0 C25H39NO6Si
    (2S,3R,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-hydroxymethyl-4-isopropenyl-1-(4-methoxy-benzyl)-4-methyl-5-oxo-pyrrolidine-2-carboxylic acid methyl ester
    —— 2'-Acetyl-uridylyl-(3'->5')-N,2'-O,3'-tribenzoyl-uridin 6759-35-9 C41H37N4O18P
    2'-Acetyl-uridylyl-(3'->5')-N,2'-O,3'-tribenzoyl-uridin
    —— 2'-(3-(4-(2-fluorophenyl)piperazin-1-yl)propyl)-7',8'-dihydro-3'H-spiro[cyclopropane-1,6'-quinazolin]-4'(5'H)-one 1536110-69-6 C23H29FN4O
    2'-(3-(4-(2-fluorophenyl)piperazin-1-yl)propyl)-7',8'-dihydro-3'H-spiro[cyclopropane-1,6'-quinazolin]-4'(5'H)-one
    —— (2S)-N-[(2S)-1-[[(2S)-1-[[(2S)-1-[[2-[[(2S)-1-[[(2S)-1-[[(2S)-1-amino-4-methylsulfanyl-1-oxobutan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]-2-[4-[[(E)-[(3E)-3-(methylcarbamothioylhydrazinylidene)butan-2-ylidene]amino]carbamothioylamino]butanoylamino]pentanediamide 1207290-70-7 C54H83N19O10S3
    (2S)-N-[(2S)-1-[[(2S)-1-[[(2S)-1-[[2-[[(2S)-1-[[(2S)-1-[[(2S)-1-amino-4-methylsulfanyl-1-oxobutan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]-2-[4-[[(E)-[(3E)-3-(methylcarbamothioylhydrazinylidene)butan-2-ylidene]amino]carbamothioylamino]butanoylamino]pentanediamide
    —— 2-[2-[4-(Dimethylamino)phenyl]quinolin-7-yl]oxypropane-1,3-diol 1374108-72-1 C20H22N2O3
    2-[2-[4-(Dimethylamino)phenyl]quinolin-7-yl]oxypropane-1,3-diol
    —— 2-chloro-N-(6-(3-(4-fluorophenyl)-1-methyl-1H-pyrazol-4-yl)imidazo[1,2-b]pyridazin-2-yl)quinoline-4-carboxamide 1616233-25-0 C26H17ClFN7O
    2-chloro-N-(6-(3-(4-fluorophenyl)-1-methyl-1H-pyrazol-4-yl)imidazo[1,2-b]pyridazin-2-yl)quinoline-4-carboxamide
    —— 2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-6-nitro-2H-indole 827317-35-1 C11H8N4O2
    2-(1,2-Dihydro-3H-pyrazol-3-ylidene)-6-nitro-2H-indole
    —— 2-[[5-(3,5-Diphenylpyrazol-1-yl)-4-phenylpyrimidin-2-yl]-methylamino]-1-(4-methylpiperazin-1-yl)ethanone 144455-08-3 C33H33N7O
    2-[[5-(3,5-Diphenylpyrazol-1-yl)-4-phenylpyrimidin-2-yl]-methylamino]-1-(4-methylpiperazin-1-yl)ethanone
    —— 2-[2-(5-nitro-furan-2-yl)-vinyl]-4,5-dioxo-3,4,5,8-tetrahydro-pyrido[2,3-<i>d</i>]pyrimidine-6-carboxylic acid ethyl ester 54287-91-1 C16H12N4O7
    2-[2-(5-nitro-furan-2-yl)-vinyl]-4,5-dioxo-3,4,5,8-tetrahydro-pyrido[2,3-<i>d</i>]pyrimidine-6-carboxylic acid ethyl ester
    —— 2-bromo-4,6-diphenyl-nicotinic acid methyl ester 332072-07-8 C19H14BrNO2
    2-bromo-4,6-diphenyl-nicotinic acid methyl ester
    —— 2,2'-methylene-bis-(6b,9a-dihydro-1-hydroxy-6-benzyloxy-3H-furo(3',2':4,5)-furo<2,3-f>(1)benzopyran-3,8(7H)-dione) 134836-38-7 C41H28O14
    2,2'-methylene-bis-(6b,9a-dihydro-1-hydroxy-6-benzyloxy-3H-furo(3',2':4,5)-furo<2,3-f>(1)benzopyran-3,8(7H)-dione)
    —— 2,4-Benzodithiepin, 1,5-dihydro-1,5-dimethyl-, trans- 147008-32-0 C11H14S2
    2,4-Benzodithiepin, 1,5-dihydro-1,5-dimethyl-, trans-
    —— (2S,6S)-6-(tert-Butyl-dimethyl-silanyloxymethyl)-4-iodo-2-isopropoxy-6H-pyran-3-one 588693-28-1 C15H27IO4Si
    (2S,6S)-6-(tert-Butyl-dimethyl-silanyloxymethyl)-4-iodo-2-isopropoxy-6H-pyran-3-one
    —— 2-(3,4-dimethoxyphenyl)-2-isopropyl-5-<N-(4-nitrophenethyl)methylamino>valeronitrile 124562-86-3 C25H33N3O4
    2-(3,4-dimethoxyphenyl)-2-isopropyl-5-<N-(4-nitrophenethyl)methylamino>valeronitrile
    —— 2-(4-methoxybenzoyl)-3-methyl-4H-1,4-benzothiazine-6-carboxylic acid 117374-95-5 C18H15NO4S
    2-(4-methoxybenzoyl)-3-methyl-4H-1,4-benzothiazine-6-carboxylic acid
    —— 2-chloro-4-[[5-chloro-4-[[(1R,2R)-1-[methyl(methylsulfonyl)amino]-2,3-dihydro-1H-inden-2-yl]oxy]pyrimidin-2-yl]amino]-N-(2,2-dimethylpropyl)-5-methoxybenzamide 1283689-74-6 C28H33Cl2N5O5S
    2-chloro-4-[[5-chloro-4-[[(1R,2R)-1-[methyl(methylsulfonyl)amino]-2,3-dihydro-1H-inden-2-yl]oxy]pyrimidin-2-yl]amino]-N-(2,2-dimethylpropyl)-5-methoxybenzamide
    —— 2-(Trimethoxysilyl)-5-[2-(trimethoxysilyl)ethyl]bicyclo[2.2.1]heptane 185990-26-5 C15H32O6Si2
    2-(Trimethoxysilyl)-5-[2-(trimethoxysilyl)ethyl]bicyclo[2.2.1]heptane
    —— 2-(4,6-dimethoxypyrimidin-2-yloxy)-3-phenylpropionic acid methyl ester 133458-21-6 C16H18N2O5
    2-(4,6-dimethoxypyrimidin-2-yloxy)-3-phenylpropionic acid methyl ester
    —— 2-amino-N-[(1S)-1-[4-[(3R)-1-[4-(cyclopropylmethoxy)phenyl]pyrrolidin-3-yl]oxyphenyl]ethyl]-1,3-oxazole-5-carboxamide 1594128-87-6 C26H30N4O4
    2-amino-N-[(1S)-1-[4-[(3R)-1-[4-(cyclopropylmethoxy)phenyl]pyrrolidin-3-yl]oxyphenyl]ethyl]-1,3-oxazole-5-carboxamide
    —— 2-Phenyl-semicarbazid-carbimidsaeure-(1)-(β,β,β-trichlor-ethylester) 3190-28-1 C10H11Cl3N4O2
    2-Phenyl-semicarbazid-carbimidsaeure-(1)-(β,β,β-trichlor-ethylester)
    —— 2-(ss-Methyl-hydrazino)-4H-1,3-benzoxazin-4-on 711-87-5 C9H9N3O2
    2-(ss-Methyl-hydrazino)-4H-1,3-benzoxazin-4-on
    —— 2,3,6,7-Tetrakis-benzyloxymethyl-anthracene 171856-64-7 C46H42O4
    2,3,6,7-Tetrakis-benzyloxymethyl-anthracene
    —— 2(5H)-furanone, 3-(1,3-benzodioxol-5-yl)-5-(4-chlorophenyl)-5-hydroxy-4-[(4-methylphenyl)methyl]- 169803-02-5 C25H19ClO5
    2(5H)-furanone, 3-(1,3-benzodioxol-5-yl)-5-(4-chlorophenyl)-5-hydroxy-4-[(4-methylphenyl)methyl]-
    —— (2R,4R,5S,6R)-4,5-Diacetoxy-6-acetoxymethyl-2-methoxy-tetrahydro-pyran-2-carboxylic acid methyl ester 85464-51-3 C15H22O10
    (2R,4R,5S,6R)-4,5-Diacetoxy-6-acetoxymethyl-2-methoxy-tetrahydro-pyran-2-carboxylic acid methyl ester
    —— 2-(fluoro-18F)but-3-en-1-yl benzoate 1347047-55-5 C11H11FO2
    2-(fluoro-18F)but-3-en-1-yl benzoate
    —— 2H-Indol-2-one, 1,3-dihydro-3-[1-hydroxy-2-(3-thienyl)ethylidene]- 144535-44-4 C14H11NO2S
    2H-Indol-2-one, 1,3-dihydro-3-[1-hydroxy-2-(3-thienyl)ethylidene]-
    —— 2,3,4,6-tetra-O-acetyl-1-O-(cyclohexylcarbonyl)-β-D-glucopyranose 79451-30-2 C21H30O11
    2,3,4,6-tetra-O-acetyl-1-O-(cyclohexylcarbonyl)-β-D-glucopyranose
    —— (2-ethoxy-vinyl)-dipiperidino-phosphine oxide 100913-70-0 C14H27N2O2P
    (2-ethoxy-vinyl)-dipiperidino-phosphine oxide
    —— ((2E,4E)-6-Hydroxy-2,5-dimethyl-hexa-2,4-dienyl)-carbamic acid tert-butyl ester 919522-72-8 C13H23NO3
    ((2E,4E)-6-Hydroxy-2,5-dimethyl-hexa-2,4-dienyl)-carbamic acid tert-butyl ester
    —— 2-{[(4-bromophenyl)(phenyl)methyl]sulfonyl}-N-(cyanomethyl)-4-methylpentanamide 672329-18-9 C21H23BrN2O3S
    2-{[(4-bromophenyl)(phenyl)methyl]sulfonyl}-N-(cyanomethyl)-4-methylpentanamide
    —— 2-(1,2,3,4-tetrahydro-1-oxo-7-methoxy-5H-isobenzazepin-2-yl)propionic acid 115706-43-9 C14H17NO4
    2-(1,2,3,4-tetrahydro-1-oxo-7-methoxy-5H-isobenzazepin-2-yl)propionic acid
    —— 2,3-Dioxo-1,1,4-trimethyl-1,2,3,4-tetrahydronaphthalin 23341-48-2 C13H14O2
    2,3-Dioxo-1,1,4-trimethyl-1,2,3,4-tetrahydronaphthalin
    —— 2,2,2-trichloroethyl {4-{[(4-methylphenyl)sulfonyl]amino}butyl}carbamate 623571-38-0 C14H19Cl3N2O4S
    2,2,2-trichloroethyl {4-{[(4-methylphenyl)sulfonyl]amino}butyl}carbamate
    —— 2-azido-3,4-O-isopropylidene-D-ribo-1-O-methanesulfonyl-1,3,4-octadecanetriol 1068608-21-8 C22H43N3O5S
    2-azido-3,4-O-isopropylidene-D-ribo-1-O-methanesulfonyl-1,3,4-octadecanetriol
    —— 2-((3-(1-(2-morpholinoethyl)-1H-1,2,3-triazol-4-yl)phenyl)amino)benzamide 1602731-57-6 C21H24N6O2
    2-((3-(1-(2-morpholinoethyl)-1H-1,2,3-triazol-4-yl)phenyl)amino)benzamide
    —— 2,3-dichloro-6-((S)-2,2-dimethyl-1,3-dioxolan-4-yl-methyl)-6H-indolo[2,3-b]quinoxaline 917076-99-4 C20H17Cl2N3O2
    2,3-dichloro-6-((S)-2,2-dimethyl-1,3-dioxolan-4-yl-methyl)-6H-indolo[2,3-b]quinoxaline
    —— (2R,6R,8R,9S)-2-((2E,6E)-(R)-8-Benzyloxy-3,5-dimethyl-octa-2,6-dienyl)-8-ethyl-9-methyl-1,7-dioxa-spiro[5.5]undecan-4-one 141207-29-6 C29H42O4
    (2R,6R,8R,9S)-2-((2E,6E)-(R)-8-Benzyloxy-3,5-dimethyl-octa-2,6-dienyl)-8-ethyl-9-methyl-1,7-dioxa-spiro[5.5]undecan-4-one
    —— 2-(4-Isopropoxy-phenyl)-3-oxo-propionitrile 35070-85-0 C12H13NO2
    2-(4-Isopropoxy-phenyl)-3-oxo-propionitrile
    —— 2,2,2-trichloroethyl pyrimidin-5-ylcarbamate 887624-72-8 C7H6Cl3N3O2
    2,2,2-trichloroethyl pyrimidin-5-ylcarbamate
    —— 2-butyl-6-ethoxy-(5-ethoxycarbonyl)quinoxalin-3(4H)-one 150368-41-5 C17H22N2O4
    2-butyl-6-ethoxy-(5-ethoxycarbonyl)quinoxalin-3(4H)-one
    —— 2,2,2-trichloroethyl (1S,6R,7R)-7-amino-3-bromomethylceph-3-em-4-carboxylate 1-oxyde hydrochloride 36245-07-5 C10H10BrCl3N2O4S*ClH
    2,2,2-trichloroethyl (1S,6R,7R)-7-amino-3-bromomethylceph-3-em-4-carboxylate 1-oxyde hydrochloride
    —— 2,2,10,10-tetramethyl-1,3,9,11-tetrathia-cyclohexadecane 38220-60-9 C16H32S4
    2,2,10,10-tetramethyl-1,3,9,11-tetrathia-cyclohexadecane
    —— 2-[1-hydroxy-2-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-1,3,6,8-tetramethoxy-anthraquinone 914933-76-9 C24H26O9
    2-[1-hydroxy-2-(2-methyl-[1,3]dioxolan-2-yl)-ethyl]-1,3,6,8-tetramethoxy-anthraquinone