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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-hydroxy-2,N-dimethyl-N-phenylpentanamide 820244-25-5 C13H19NO2
    5-hydroxy-2,N-dimethyl-N-phenylpentanamide
    —— 5-(4-methyl-benzyl)-oxazolidin-2-one 62825-96-1 C11H13NO2
    5-(4-methyl-benzyl)-oxazolidin-2-one
    —— 5-(2-methyl-benzyl)-oxazolidin-2-one 62825-94-9 C11H13NO2
    5-(2-methyl-benzyl)-oxazolidin-2-one
    —— 5-Phenylamino-[1,3,4]oxadiazole-2-thiol 121941-97-7 C8H7N3OS
    5-Phenylamino-[1,3,4]oxadiazole-2-thiol
    —— 5-ethyl-5-hydroxyfuran-2(5H)-one 862015-59-6 C6H8O3
    5-ethyl-5-hydroxyfuran-2(5H)-one
    —— 5-benzyloxy-4-bromo-1-(S<sub>S</sub>)-(4-methylphenylsulfinyl)-(2R,3R,4S)-pentane-2,3-diol 605668-77-7 C19H23BrO4S
    5-benzyloxy-4-bromo-1-(S<sub>S</sub>)-(4-methylphenylsulfinyl)-(2R,3R,4S)-pentane-2,3-diol
    —— 5-O-t-butyldimethylsilyl-milbemycin α<sub>20</sub> 497253-54-0 C42H64O9Si
    5-O-t-butyldimethylsilyl-milbemycin α<sub>20</sub>
    —— 5-methoxy-2,3,4,7-tetrahydro-benzofuran 13391-34-9 C9H12O2
    5-methoxy-2,3,4,7-tetrahydro-benzofuran
    —— 5-<4-Chlor-phenyl>-5-methyl-hydantoin-3-<essigsaeure-amid> 730-87-0 C12H12ClN3O3
    5-<4-Chlor-phenyl>-5-methyl-hydantoin-3-<essigsaeure-amid>
    —— (+/-)-5'-amino-2-propyl-1',3'-dihydrospiro[imidazole-4,2'-inden]-5(1H)-one 1219006-75-3 C14H17N3O
    (+/-)-5'-amino-2-propyl-1',3'-dihydrospiro[imidazole-4,2'-inden]-5(1H)-one
    —— 5-O-(p-chlorobenzoyl)-3-O-benzyl-1,2-O-isopropylidene-α-L-ribofuranose 320592-13-0 C22H23ClO6
    5-O-(p-chlorobenzoyl)-3-O-benzyl-1,2-O-isopropylidene-α-L-ribofuranose
    —— 5'-fluoro-3-(4-fluorophenyl)spiro[1,4-dihydropyrazole-5,3'-1H-indole]-2'-one 97311-44-9 C16H11F2N3O
    5'-fluoro-3-(4-fluorophenyl)spiro[1,4-dihydropyrazole-5,3'-1H-indole]-2'-one
    —— 5-(4-Chloro-phenyl)-[1,3]oxathiole 3-oxide 38709-93-2 C9H7ClO2S
    5-(4-Chloro-phenyl)-[1,3]oxathiole 3-oxide
    —— 5-Oxo-2,3,4,5-tetrahydroazepino[2,1-a]isoquinoline-12b(1h)-carbonitrile 37045-07-1 C15H14N2O
    5-Oxo-2,3,4,5-tetrahydroazepino[2,1-a]isoquinoline-12b(1h)-carbonitrile
    —— 5-(2-chloroethoxy)-2-(hydroxymethyl)-4H-pyran-4-one 1159266-59-7 C8H9ClO4
    5-(2-chloroethoxy)-2-(hydroxymethyl)-4H-pyran-4-one
    —— 5-methyl-5-deaza-10-ethylaminopterin 101810-80-4 C23H27N7O5
    5-methyl-5-deaza-10-ethylaminopterin
    —— 5-(aminomethylidene)pyrimidine-2,4,6(1H,3H,5H)-trione 59025-32-0 C5H5N3O3
    5-(aminomethylidene)pyrimidine-2,4,6(1H,3H,5H)-trione
    —— (5S,6R)-5-ethynyl-6,8,8,9,9-pentamethyl-2,4,7-trioxa-8-siladecane 1414945-09-7 C13H26O3Si
    (5S,6R)-5-ethynyl-6,8,8,9,9-pentamethyl-2,4,7-trioxa-8-siladecane
    —— 5-methylthieno[2,3-d]pyrimidine-4-amine 13145-89-6 C7H7N3S
    5-methylthieno[2,3-d]pyrimidine-4-amine
    —— 5-Trifluoromethyl-2-{4-[(6-trifluoromethyl-pyridin-3-ylmethyl)-amino]-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-6-yl}-benzonitrile 1073428-59-7 C22H16F6N6
    5-Trifluoromethyl-2-{4-[(6-trifluoromethyl-pyridin-3-ylmethyl)-amino]-7,8-dihydro-5H-pyrido[4,3-d]pyrimidin-6-yl}-benzonitrile
    —— 5-[3-(2,2-dimethyl-indan-1-yl)-3H-imidazol-4-yl]-3-methyl-[1,2,4]oxadiazole 1034920-41-6 C17H18N4O
    5-[3-(2,2-dimethyl-indan-1-yl)-3H-imidazol-4-yl]-3-methyl-[1,2,4]oxadiazole
    —— 5-fluoro-2-[1-[(2-fluorophenyl)methyl]-5-(furan-3-yl)pyrazol-3-yl]-1H-pyrimidin-6-one 1446359-33-6 C18H12F2N4O2
    5-fluoro-2-[1-[(2-fluorophenyl)methyl]-5-(furan-3-yl)pyrazol-3-yl]-1H-pyrimidin-6-one
    —— 5-(2-Chloro-phenylazo)-4-(3-nitro-phenyl)-thiazol-2-ylamine 39875-00-8 C15H10ClN5O2S
    5-(2-Chloro-phenylazo)-4-(3-nitro-phenyl)-thiazol-2-ylamine
    —— 5,5'-diethyl-2,2'-bifuran 1609244-39-4 C12H14O2
    5,5'-diethyl-2,2'-bifuran
    —— 5,6-dihydroxy-2-methylamino-1-tetralone hydrobromide 53541-88-1 BrH*C11H13NO3
    5,6-dihydroxy-2-methylamino-1-tetralone hydrobromide
    —— 5,5'-bis(4H-indeno[1,2-b]thien-2-yl)-3,3'-bis(trimethylsilyl)-2,2'-bithiophene 1113063-29-8 C36H34S4Si2
    5,5'-bis(4H-indeno[1,2-b]thien-2-yl)-3,3'-bis(trimethylsilyl)-2,2'-bithiophene
    —— 5-(4-bromo-benzyl)-oxazolidin-2-one 62825-93-8 C10H10BrNO2
    5-(4-bromo-benzyl)-oxazolidin-2-one
    —— 5-(3-chloro-benzyl)-oxazolidin-2-one 62825-90-5 C10H10ClNO2
    5-(3-chloro-benzyl)-oxazolidin-2-one
    —— 5,8-Dimethoxy-2,3-diphenylquinoxaline 19506-24-2 C22H18N2O2
    5,8-Dimethoxy-2,3-diphenylquinoxaline
    —— 5-bromo-N2-(2,2-dioxo-2,3-dihydro-1H-2λ6-benzo[c]thiophen-5-yl)-N4-(2-trifluoromethyl-1H-benzoimidazol-5-yl)-pyrimidine-2,4-diamine 1152260-71-3 C20H14BrF3N6O2S
    5-bromo-N2-(2,2-dioxo-2,3-dihydro-1H-2λ6-benzo[c]thiophen-5-yl)-N4-(2-trifluoromethyl-1H-benzoimidazol-5-yl)-pyrimidine-2,4-diamine
    —— 5-Phenyl-4-ethoxyformamino-2-oxo-oxazolidin 14442-08-1 C12H14N2O4
    5-Phenyl-4-ethoxyformamino-2-oxo-oxazolidin
    —— (5aR,6S,7R,8R,9aR)-6,7-bis(benzyloxy)-8-(benzyloxymethyl)-4,5a,6,7,8,9a-hexahydropyrano[3,2-b][1,2,3]triazolo[1,5-d][1,4]oxazine 1314093-30-5 C30H31N3O5
    (5aR,6S,7R,8R,9aR)-6,7-bis(benzyloxy)-8-(benzyloxymethyl)-4,5a,6,7,8,9a-hexahydropyrano[3,2-b][1,2,3]triazolo[1,5-d][1,4]oxazine
    —— 5-[4-[5-(2,6-difluorophenyl)-4,5-dihydro-3-isoxazolyl]-2-thiazolyl]tetrahydro-2H-1,2-oxazine 1313705-37-1 C16H15F2N3O2S
    5-[4-[5-(2,6-difluorophenyl)-4,5-dihydro-3-isoxazolyl]-2-thiazolyl]tetrahydro-2H-1,2-oxazine
    —— 5-hydroxy-1-(2-hydroxy-ethyl)-4,4-diphenyl-imidazolidin-2-one 34806-21-8 C17H18N2O3
    5-hydroxy-1-(2-hydroxy-ethyl)-4,4-diphenyl-imidazolidin-2-one
    —— 5-(6-methoxybenzothiazol-2-yl)-2'-deoxyuridine 1146594-63-9 C17H17N3O6S
    5-(6-methoxybenzothiazol-2-yl)-2'-deoxyuridine
    —— 5-(3,4-dichlorophenyl)-1,4-dimethyl-N-(6-methylpyridin-2-yl)pyrazole-3-carboxamide 1428228-53-8 C18H16Cl2N4O
    5-(3,4-dichlorophenyl)-1,4-dimethyl-N-(6-methylpyridin-2-yl)pyrazole-3-carboxamide
    —— 5-O-benzoyl-2,3-dideoxy-3-fluoro-β-D-xylofuranose 122333-27-1 C12H13FO4
    5-O-benzoyl-2,3-dideoxy-3-fluoro-β-D-xylofuranose
    —— 5-O-benzoyl-2,3-dideoxy-3-fluoro-α-D-xylofuranose 122333-26-0 C12H13FO4
    5-O-benzoyl-2,3-dideoxy-3-fluoro-α-D-xylofuranose
    —— 5-(2-hydroxy-ethyl)-5-methyl-imidazolidine-2,4-dione 89601-00-3 C6H10N2O3
    5-(2-hydroxy-ethyl)-5-methyl-imidazolidine-2,4-dione
    —— 5-benzyloxy-3-[5-(2-bromoethoxy)-1-tert-butoxycarbonyl-1H-indol-2-yl]indazole-1-carboxylic acid tert-butyl ester 854636-82-1 C34H36BrN3O6
    5-benzyloxy-3-[5-(2-bromoethoxy)-1-tert-butoxycarbonyl-1H-indol-2-yl]indazole-1-carboxylic acid tert-butyl ester
    —— 5-benzyloxy-3-[1-tert-butoxycarbonyl-5-(tert-butyl-dimethylsilanyloxy)-1H-indol-2-yl]indazole-1-carboxylic acid tert-butyl ester 854636-50-3 C38H47N3O6Si
    5-benzyloxy-3-[1-tert-butoxycarbonyl-5-(tert-butyl-dimethylsilanyloxy)-1H-indol-2-yl]indazole-1-carboxylic acid tert-butyl ester
    —— 5,6-bis-(4-ethoxy-phenyl)-2,3-dihydro-imidazo[2,1-<i>b</i>]thiazole 66659-61-8 C21H22N2O2S
    5,6-bis-(4-ethoxy-phenyl)-2,3-dihydro-imidazo[2,1-<i>b</i>]thiazole
    —— 5-benzyloxy-3-carboxy-α-(methylsulfinyl)-acetophenone 53478-06-1 C17H16O5S
    5-benzyloxy-3-carboxy-α-(methylsulfinyl)-acetophenone
    —— 5-(Furan-3-yl)-1a,5a-dimethylhexahydrobisoxireno[d,f]isochromen-3(2ah)-one 35986-57-3 C15H16O5
    5-(Furan-3-yl)-1a,5a-dimethylhexahydrobisoxireno[d,f]isochromen-3(2ah)-one
    —— 5-o-Aminobenzamido-6-methyluracil 56742-10-0 C12H12N4O3
    5-o-Aminobenzamido-6-methyluracil
    —— 5-Amino-2-(2-chlorophenoxy)pyridine 138193-79-0 C11H9ClN2O
    5-Amino-2-(2-chlorophenoxy)pyridine
    —— 5-cyclopropyl-N-[1-[(Z)-N'-hydroxycarbamimidoyl]-2,2-dimethyl-propyl]-4-[(1S)-2,2,2-trifluoro-1-methyl-ethoxy]pyridine-2-carboxamide 1613289-71-6 C18H25F3N4O3
    5-cyclopropyl-N-[1-[(Z)-N'-hydroxycarbamimidoyl]-2,2-dimethyl-propyl]-4-[(1S)-2,2,2-trifluoro-1-methyl-ethoxy]pyridine-2-carboxamide
    —— 5-(1H-indol-3-yl)-1-(naphthalen-2-ylmethyl)-pyrrolidin-2-one 1311275-71-4 C23H20N2O
    5-(1H-indol-3-yl)-1-(naphthalen-2-ylmethyl)-pyrrolidin-2-one
    —— 5-<4-Chlor-phenyl>-5-methyl-3-piperidinomethyl-hydantoin 847-90-5 C16H20ClN3O2
    5-<4-Chlor-phenyl>-5-methyl-3-piperidinomethyl-hydantoin
    —— 5-chloro-2-(2H-1,2,3-triazol-2-yl)benzoic acid 1293284-54-4 C9H6ClN3O2
    5-chloro-2-(2H-1,2,3-triazol-2-yl)benzoic acid