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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 2-Amino-5-chloro-N-(2-hydroxymethyl-phenyl)-benzamide 37585-35-6 C14H13ClN2O2
    2-Amino-5-chloro-N-(2-hydroxymethyl-phenyl)-benzamide
    —— 2-Mercapto-L-tryptophyl-L-alanyl-L-cystein-cyclosulfid 80497-16-1 C17H20N4O4S
    2-Mercapto-L-tryptophyl-L-alanyl-L-cystein-cyclosulfid
    —— 2',6'-dibenzyloxy-3',4',5,6,7-pentamethoxyflavone 89328-93-8 C34H32O9
    2',6'-dibenzyloxy-3',4',5,6,7-pentamethoxyflavone
    —— (2R,5S)-N’-acetyl-6-(benzyloxy)-N’-methyl-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carbohydrazide 1452467-39-8 C17H22N4O4
    (2R,5S)-N’-acetyl-6-(benzyloxy)-N’-methyl-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carbohydrazide
    —— 2-propanol-α-d1 448218-50-6 C9H20O
    2-propanol-α-d1
    —— 2-Vinylidene-pentane-1,3-diol 90933-97-4 C7H12O2
    2-Vinylidene-pentane-1,3-diol
    —— 2-hydrazono-3,3-dimethyl-butyraldehyde oxime 66521-62-8 C6H13N3O
    2-hydrazono-3,3-dimethyl-butyraldehyde oxime
    —— (2-oxo-1,3-dithiole-4,5-diyl)bis((3''-hexyl-5''-methyl-[2,2':5',2''-terthiophen]-5-yl)methanone) 1272660-15-7 C43H42O3S8
    (2-oxo-1,3-dithiole-4,5-diyl)bis((3''-hexyl-5''-methyl-[2,2':5',2''-terthiophen]-5-yl)methanone)
    —— 2-methyl-2-propanyl [4-(2-{(3S)-7-[5-chloro-2-(1H-tetrazol-1-yl)phenyl]-5-oxo-1,2,3,5-tetrahydro-3-indolizinyl}-1H-imidazol-5-yl)benzyl]carbamate 1445864-42-5 C30H29ClN8O3
    2-methyl-2-propanyl [4-(2-{(3S)-7-[5-chloro-2-(1H-tetrazol-1-yl)phenyl]-5-oxo-1,2,3,5-tetrahydro-3-indolizinyl}-1H-imidazol-5-yl)benzyl]carbamate
    —— 2-chloro-6-methyldibenzo[c,f][1,2]thiazepin-11(6H)-one 5,5-dioxide 26723-57-9 C14H10ClNO3S
    2-chloro-6-methyldibenzo[c,f][1,2]thiazepin-11(6H)-one 5,5-dioxide
    —— [2-(2-hydroxy-phenylethynyl)-thiazol-5-yl]-piperidin-1-yl-methanone 1290135-96-4 C17H16N2O2S
    [2-(2-hydroxy-phenylethynyl)-thiazol-5-yl]-piperidin-1-yl-methanone
    —— 2-acetoxymethyl-3-formylindole 128669-55-6 C12H11NO3
    2-acetoxymethyl-3-formylindole
    —— (2S,3S)-methyl-1-(trityl)aziridine-2-carboxylic acid allyl ester 1033066-83-9 C26H25NO2
    (2S,3S)-methyl-1-(trityl)aziridine-2-carboxylic acid allyl ester
    —— 2,6-dioxo-1,2-dihydro-6H-chromeno[8,7-d]oxazole-8-carboxylic acid ethyl ester 32142-50-0 C13H9NO6
    2,6-dioxo-1,2-dihydro-6H-chromeno[8,7-d]oxazole-8-carboxylic acid ethyl ester
    —— (2S,3R,6S)-10-Acetyl-4-oxo-3-(3-phenyl-propyl)-1-oxa-5,10-diaza-cyclotetradecane-2,6-dicarboxylic acid 2-(benzyloxy-amide) 6-methylamide 191408-34-1 C32H44N4O6
    (2S,3R,6S)-10-Acetyl-4-oxo-3-(3-phenyl-propyl)-1-oxa-5,10-diaza-cyclotetradecane-2,6-dicarboxylic acid 2-(benzyloxy-amide) 6-methylamide
    —— 2,2-Dichloro-1-(iodophenyl)ethanol, o-Isomer 20914-15-2 C8H7Cl2IO
    2,2-Dichloro-1-(iodophenyl)ethanol, o-Isomer
    —— 2-(3-chlorophenylamino)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde 476208-06-7 C15H10ClN3O2
    2-(3-chlorophenylamino)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde
    —— (2S,4S)-(+)-2-<(4S,5S)-(2,2-Dimethyl-4-phenyl-1,3-dioxan-5-yl)amino>-5,5,5-trifluor-4-methylvaleronitril 95911-00-5 C18H23F3N2O2
    (2S,4S)-(+)-2-<(4S,5S)-(2,2-Dimethyl-4-phenyl-1,3-dioxan-5-yl)amino>-5,5,5-trifluor-4-methylvaleronitril
    —— 2α-N,N-dibenzylamino-1α-25-dihydroxyvitamin-D3 1351363-39-7 C41H57NO3
    2α-N,N-dibenzylamino-1α-25-dihydroxyvitamin-D3
    —— 2-Ethoxy-4,4-dimethyl-3-oxo-2-trimethylsilanyloxy-pentanoic acid ethyl ester 104858-36-8 C14H28O5Si
    2-Ethoxy-4,4-dimethyl-3-oxo-2-trimethylsilanyloxy-pentanoic acid ethyl ester
    —— 2-{methyl[(3R)-pyrrolidin-3-yl]amino}-N-[2-(pyridin-3-ylcarbamoyl)phenyl]-1,3-thiazole-4-carboxamide 1147108-00-6 C21H22N6O2S
    2-{methyl[(3R)-pyrrolidin-3-yl]amino}-N-[2-(pyridin-3-ylcarbamoyl)phenyl]-1,3-thiazole-4-carboxamide
    —— 2-allyloxy-3,5-di-t-butylbenzyl chloride 153034-35-6 C18H27ClO
    2-allyloxy-3,5-di-t-butylbenzyl chloride
    —— 2-(2-benzoxazolyl)-but-2-ene 108071-41-6 C11H11NO
    2-(2-benzoxazolyl)-but-2-ene
    —— 2-[3-[1-carboxy-5-(4-[18F]fluoro-benzoylamino)-pentyl]-ureido]-pentanedioic acid 1093733-14-2 C19H24FN3O8
    2-[3-[1-carboxy-5-(4-[18F]fluoro-benzoylamino)-pentyl]-ureido]-pentanedioic acid
    —— (2R,3R)-ethyl 3-hydroxy-2,3,4,5-tetrahydrobenzo[b]oxepine-2-carboxylate 1132981-96-4 C13H16O4
    (2R,3R)-ethyl 3-hydroxy-2,3,4,5-tetrahydrobenzo[b]oxepine-2-carboxylate
    —— 2-ethylamino-N-[2-(4-isopropyl-piperazin-1-yl)-ethyl]-6-[4-(3-pyridin-3-ylmethyl-ureido)-phenyl]-nicotinamide 1138321-42-2 C30H40N8O2
    2-ethylamino-N-[2-(4-isopropyl-piperazin-1-yl)-ethyl]-6-[4-(3-pyridin-3-ylmethyl-ureido)-phenyl]-nicotinamide
    —— 2-Cyclohexyl-3,3,3-trifluoro-propionitrile 33038-53-8 C9H12F3N
    2-Cyclohexyl-3,3,3-trifluoro-propionitrile
    —— 2-amino-4,5-dihydro-4-(4-nitrophenyl)pyrano[3,2-b]indole-3-carbonitrile 1385032-07-4 C18H12N4O3
    2-amino-4,5-dihydro-4-(4-nitrophenyl)pyrano[3,2-b]indole-3-carbonitrile
    —— 2-(phenylsulfonyl)benzyl propynyl sulfide 1274916-38-9 C16H14O2S2
    2-(phenylsulfonyl)benzyl propynyl sulfide
    —— (2H)fluorane;molecular hydrogen 150181-07-0 FH*H2
    (2H)fluorane;molecular hydrogen
    —— (2,4-dinitro-phenyl)-hexyl disulfide 100254-90-8 C12H16N2O4S2
    (2,4-dinitro-phenyl)-hexyl disulfide
    —— (2E)-3-(1-dimethylsulfamoyl-1H-imidazol-4-yl)prop-2-enyl propynoate 610768-43-9 C11H13N3O4S
    (2E)-3-(1-dimethylsulfamoyl-1H-imidazol-4-yl)prop-2-enyl propynoate
    —— 2-chloro-2,2-difluoro-N,N-dimethylacetamide 142820-19-7 C4H6ClF2NO
    2-chloro-2,2-difluoro-N,N-dimethylacetamide
    —— 2,4-Dinitrobenzol-sulfen-2-iodanilid 32894-95-4 C12H8IN3O4S
    2,4-Dinitrobenzol-sulfen-2-iodanilid
    —— 2-[2-(4'-Pentyl-bicyclohexyl-4-yl)-ethyl]-furan 85896-74-8 C23H38O
    2-[2-(4'-Pentyl-bicyclohexyl-4-yl)-ethyl]-furan
    —— 2,2-dimethyl-1-phenyl-3-(3,4,5-trimethoxy-phenyl)-propan-1-one 102168-79-6 C20H24O4
    2,2-dimethyl-1-phenyl-3-(3,4,5-trimethoxy-phenyl)-propan-1-one
    —— 2-(5-nitro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-N-[3-(trifluoromethyl)phenyl]-1-hydrazinecarbothioamide 1221576-70-0 C16H10F3N5O3S
    2-(5-nitro-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-N-[3-(trifluoromethyl)phenyl]-1-hydrazinecarbothioamide
    —— 2,2'-[2,4,2',4'-tetraoxo-3,3'-(2-oxo-propane-1,3-diyl)-bis-thiazolidin-5-ylidenemethyl]-bis-benzaldehyde 68118-77-4 C25H16N2O7S2
    2,2'-[2,4,2',4'-tetraoxo-3,3'-(2-oxo-propane-1,3-diyl)-bis-thiazolidin-5-ylidenemethyl]-bis-benzaldehyde
    —— 2-(cyclopentylfluoromethylsulfonyl)benzothiazole 1432673-98-7 C13H14FNO2S2
    2-(cyclopentylfluoromethylsulfonyl)benzothiazole
    —— (2-Chloro-benzyl)-dimethyl-(2-p-tolyloxy-ethyl)-ammonium; chloride 98766-39-3 C18H23ClNO*Cl
    (2-Chloro-benzyl)-dimethyl-(2-p-tolyloxy-ethyl)-ammonium; chloride
    —— (2,3-Dibromo-propyl)-methyl-dipropyl-ammonium; bromide 131247-70-6 Br*C10H22Br2N
    (2,3-Dibromo-propyl)-methyl-dipropyl-ammonium; bromide
    —— 2-Methoxycarbonylmethyl-3,4-dimethoxycarbonyl-7-methoxy-1H-pyrrolo<2,1-c><1,4>benzothiazine-1-one 131228-84-7 C19H17NO8S
    2-Methoxycarbonylmethyl-3,4-dimethoxycarbonyl-7-methoxy-1H-pyrrolo<2,1-c><1,4>benzothiazine-1-one
    —— (-)-2(S)-allo-Protolichesterinsaeuremethylesterpyrazolin 144408-14-0 C21H36N2O4
    (-)-2(S)-allo-Protolichesterinsaeuremethylesterpyrazolin
    —— 2,2-Dimethyl-propionic acid (1R,2S,4R)-2-benzyloxy-1-benzyloxymethyl-4,5-dihydroxy-pentyl ester 183959-10-6 C25H34O6
    2,2-Dimethyl-propionic acid (1R,2S,4R)-2-benzyloxy-1-benzyloxymethyl-4,5-dihydroxy-pentyl ester
    —— 2,5-Diphenyl-2,3-dihydroxy-4-pentenoic acid 85097-79-6 C17H16O4
    2,5-Diphenyl-2,3-dihydroxy-4-pentenoic acid
    —— 2-((1R,2S)-2-[1,3]Dithiolan-2-yl-4,4-dimethyl-cyclopentyl)-propan-2-ol 87746-93-8 C13H24OS2
    2-((1R,2S)-2-[1,3]Dithiolan-2-yl-4,4-dimethyl-cyclopentyl)-propan-2-ol
    —— 2-[2-[[5-[(dimethylamino)methyl]furan-2-yl]methylsulfanyl]ethylamino]-5-[(1-oxidopyridin-1-ium-3-yl)methyl]-1H-pyrimidin-6-one 72725-69-0 C20H25N5O3S
    2-[2-[[5-[(dimethylamino)methyl]furan-2-yl]methylsulfanyl]ethylamino]-5-[(1-oxidopyridin-1-ium-3-yl)methyl]-1H-pyrimidin-6-one
    —— 2-((diphenylmethylene)amino)octanal 1453804-87-9 C21H25NO
    2-((diphenylmethylene)amino)octanal
    —— 2-[benzylidene(cyclohexyl)azaniumyl]-1-phenylethenolate 102614-79-9 C21H23NO
    2-[benzylidene(cyclohexyl)azaniumyl]-1-phenylethenolate
    —— 2-[8-(Oxan-2-yloxy)octyl]propane-1,3-diamine 294174-34-8 C16H34N2O2
    2-[8-(Oxan-2-yloxy)octyl]propane-1,3-diamine