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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(1-bromo-ethyl)-1-phenyl-1,2-dihydro-[1,2,4]triazol-3-one 42284-55-9 C10H10BrN3O
    5-(1-bromo-ethyl)-1-phenyl-1,2-dihydro-[1,2,4]triazol-3-one
    —— 5-bromo-<i>DL</i>-<i>threo</i>-2,5-dideoxy-pentose diethyl dithioacetal 38996-27-9 C9H19BrO2S2
    5-bromo-<i>DL</i>-<i>threo</i>-2,5-dideoxy-pentose diethyl dithioacetal
    —— 5,8-Diamino-1-methyl-naphth<2,3-d>imidazoldion-(4,9) 20487-33-6 C12H10N4O2
    5,8-Diamino-1-methyl-naphth<2,3-d>imidazoldion-(4,9)
    —— 5-[(R)-2-Azido-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-cyclopentyl-3H-imidazol-4-ylamine 493038-97-4 C16H30N6OSi
    5-[(R)-2-Azido-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-3-cyclopentyl-3H-imidazol-4-ylamine
    —— 5-(<2-Thioxo-2.3-dihydro-1.3.4-oxadiazolyl-(5)>-methylmercapto)-3-(2-aethoxy-phenyl)-4H-1.2.4-triazol 23283-16-1 C13H13N5O2S2
    5-(<2-Thioxo-2.3-dihydro-1.3.4-oxadiazolyl-(5)>-methylmercapto)-3-(2-aethoxy-phenyl)-4H-1.2.4-triazol
    —— 5-(4-fluorophenyl)-3-(1-methylethyl)imino-2-(6-methoxy-3-pyridyl)amino-3,5-dihydrophenazine 1353735-47-3 C27H24FN5O
    5-(4-fluorophenyl)-3-(1-methylethyl)imino-2-(6-methoxy-3-pyridyl)amino-3,5-dihydrophenazine
    —— (5-fluoro-2-hydroxyphenyl)(1-(3,4-difluorophenyl)-1H-pyrazol-4-yl)methanone oxime 1242461-07-9 C16H10F3N3O2
    (5-fluoro-2-hydroxyphenyl)(1-(3,4-difluorophenyl)-1H-pyrazol-4-yl)methanone oxime
    —— 5-(carboxyethyl)pentyl 4-O-(2-acetamido-3-O-acetyl-4,6-O-benzylidene-2-deoxy-β-D-glucopyranosyl)-3-O-(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-2-acetamido-6-O-benzyl-2-deoxy-β-D-glucopyranoside 1276117-49-7 C67H82N2O18
    5-(carboxyethyl)pentyl 4-O-(2-acetamido-3-O-acetyl-4,6-O-benzylidene-2-deoxy-β-D-glucopyranosyl)-3-O-(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-2-acetamido-6-O-benzyl-2-deoxy-β-D-glucopyranoside
    —— 5-(3-chloro-2-hydroxy)propoxy-1,2,3,4-tetrahydro-2-oxo-1,7-naphthyridine 80026-85-3 C11H13ClN2O3
    5-(3-chloro-2-hydroxy)propoxy-1,2,3,4-tetrahydro-2-oxo-1,7-naphthyridine
    —— 5-methoxy-1-methyl-4-oxo-1,2,3,4-tetrahydro-naphthalene-2,3-dicarboxylic acid dimethyl ester 101432-29-5 C16H18O6
    5-methoxy-1-methyl-4-oxo-1,2,3,4-tetrahydro-naphthalene-2,3-dicarboxylic acid dimethyl ester
    —— 5'-(2,4-dichlorophenyl)-2',4'-dihydrospiro[3H-indol-3,3'-[3H]-pyrazol]-1-ethyl-2(1H)-one 1028181-59-0 C18H15Cl2N3O
    5'-(2,4-dichlorophenyl)-2',4'-dihydrospiro[3H-indol-3,3'-[3H]-pyrazol]-1-ethyl-2(1H)-one
    —— 5,6-dichloro-1,1-dioxo-1,4-dihydro-2H-1λ6-spiro[benzo[1,2,4]thiadiazine-3,1'-cyclopentane]-7-sulfonic acid amide 95409-38-4 C11H13Cl2N3O4S2
    5,6-dichloro-1,1-dioxo-1,4-dihydro-2H-1λ6-spiro[benzo[1,2,4]thiadiazine-3,1'-cyclopentane]-7-sulfonic acid amide
    —— 5,6-Dihydro-6-oxo-1,3-bis(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)lumazin 77432-70-3 C58H44N4O17
    5,6-Dihydro-6-oxo-1,3-bis(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)lumazin
    —— 5-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-2,3-dihydrobenzo[b]oxepin-8-ol 1093116-29-0 C22H25NO3
    5-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-2,3-dihydrobenzo[b]oxepin-8-ol
    —— 5'-O-DMTr-rG(iBu)po(CNE)-rA(Bz)po(CNE)dT-3'-O-Lev 1220703-65-0 C85H106N14O24P2Si2
    5'-O-DMTr-rG(iBu)po(CNE)-rA(Bz)po(CNE)dT-3'-O-Lev
    —— 5-(4-benzhydryl-piperazin-1-ylmethyl)-2-cyclopropyl-1-methyl-1<i>H</i>-benzoimidazole 68741-32-2 C29H32N4
    5-(4-benzhydryl-piperazin-1-ylmethyl)-2-cyclopropyl-1-methyl-1<i>H</i>-benzoimidazole
    —— 5,5-Hexamethylen-3-piperidinomethyl-hydantoin 734-03-2 C15H25N3O2
    5,5-Hexamethylen-3-piperidinomethyl-hydantoin
    —— 5,5-Dibromo-10-ethyl-5,10-dihydro-5λ<sup>4</sup>-phenotellurazine 101770-81-4 C14H13Br2NTe
    5,5-Dibromo-10-ethyl-5,10-dihydro-5λ<sup>4</sup>-phenotellurazine
    —— 5-(1-Butyltetrazol-5-yl)-3-phenyl-1-(2-phenylethyl)imidazolidine-2,4-dione 1401544-99-7 C22H24N6O2
    5-(1-Butyltetrazol-5-yl)-3-phenyl-1-(2-phenylethyl)imidazolidine-2,4-dione
    —— 5-ethyl-3,4,5-triphenylfuran-2(5H)-one 1401693-41-1 C24H20O2
    5-ethyl-3,4,5-triphenylfuran-2(5H)-one
    —— 5-(9-ethyl-9H-carbazol-3-yl)-N-(p-tolyl)-1,3,4-thiadiazol-2-amine 1369483-03-3 C23H20N4S
    5-(9-ethyl-9H-carbazol-3-yl)-N-(p-tolyl)-1,3,4-thiadiazol-2-amine
    —— 5-[5-(3-{[1-(hydroxymethyl)cyclobutyl]oxy}-5-[(1-methyl-1H-pyrazol-3-yl)carbamoyl]phenoxy)pyrazin-2-yl]-N-methyl-1,2,4-oxadiazole-3-carboxamide 1310805-83-4 C24H24N8O6
    5-[5-(3-{[1-(hydroxymethyl)cyclobutyl]oxy}-5-[(1-methyl-1H-pyrazol-3-yl)carbamoyl]phenoxy)pyrazin-2-yl]-N-methyl-1,2,4-oxadiazole-3-carboxamide
    —— 5-Morpholin-4-yl-2,7-diphenyl-1,6-dioxa-3,4,8,9-tetraza-5lambda5-phosphaspiro[4.4]nona-2,7-diene 1402821-07-1 C18H20N5O3P
    5-Morpholin-4-yl-2,7-diphenyl-1,6-dioxa-3,4,8,9-tetraza-5lambda5-phosphaspiro[4.4]nona-2,7-diene
    —— 5-Amino-6-brom-1-ethyl-3-hydroxymethyl-2-methyl-indolochinon-4,7-propylcarbamat 5526-17-0 C16H20BrN3O4
    5-Amino-6-brom-1-ethyl-3-hydroxymethyl-2-methyl-indolochinon-4,7-propylcarbamat
    —— 5-(4-benzhydryl-piperazin-1-ylmethyl)-1-isobutyl-2-isopropyl-1<i>H</i>-benzoimidazole 68792-16-5 C32H40N4
    5-(4-benzhydryl-piperazin-1-ylmethyl)-1-isobutyl-2-isopropyl-1<i>H</i>-benzoimidazole
    —— (5<i>R</i>)-3-{(<i>Z</i>)-2-[2-(3,3-dimethyl-ureido)-ethoxy]-ethylidene}-7-oxo-(5<i>r</i><i>H</i>)-4-oxa-1-aza-bicyclo[3.2.0]heptane-2<i>c</i>-carboxylic acid methoxymethyl ester 70423-07-3 C15H23N3O7
    (5<i>R</i>)-3-{(<i>Z</i>)-2-[2-(3,3-dimethyl-ureido)-ethoxy]-ethylidene}-7-oxo-(5<i>r</i><i>H</i>)-4-oxa-1-aza-bicyclo[3.2.0]heptane-2<i>c</i>-carboxylic acid methoxymethyl ester
    —— 5-(4-benzhydryl-piperazin-1-ylmethyl)-1-cyclopropyl-2-ethyl-1<i>H</i>-benzoimidazole 68740-97-6 C30H34N4
    5-(4-benzhydryl-piperazin-1-ylmethyl)-1-cyclopropyl-2-ethyl-1<i>H</i>-benzoimidazole
    —— 5,5-Dimethyl-2-propyl-5,6-dihydro-1,3,4-oxazin 90608-19-8 C9H15NO
    5,5-Dimethyl-2-propyl-5,6-dihydro-1,3,4-oxazin
    —— 5-acetoxy-2-[4-butylamino-6-(4-chloro-phenyl)-[1,3,5]triazin-2-yl]-phenol 7304-12-3 C21H21ClN4O3
    5-acetoxy-2-[4-butylamino-6-(4-chloro-phenyl)-[1,3,5]triazin-2-yl]-phenol
    —— (5-oxo-2-β-<i>D</i>-ribofuranosyl-3-thioxo-2,3,4,5-tetrahydro-[1,2,4]triazin-6-yl)-acetic acid methyl ester 51255-28-8 C11H15N3O7S
    (5-oxo-2-β-<i>D</i>-ribofuranosyl-3-thioxo-2,3,4,5-tetrahydro-[1,2,4]triazin-6-yl)-acetic acid methyl ester
    —— 5-Methyl-4-phenyl-2-(1-phenyl-ethyl)-2,4-dihydro-pyrazol-3-one 55294-61-6 C18H18N2O
    5-Methyl-4-phenyl-2-(1-phenyl-ethyl)-2,4-dihydro-pyrazol-3-one
    —— 5-(3-Dimethylaminopropyl)-10.11-dihydro-5H-dibenzo<a,d>cyclohepten-5-ol 23718-29-8 C21H27NO
    5-(3-Dimethylaminopropyl)-10.11-dihydro-5H-dibenzo<a,d>cyclohepten-5-ol
    —— 5-methyl-7-oxo-6-phenylazo-4,7-dihydro-pyrazolo[1,5-<i>a</i>]pyrimidine-3-carboxylic acid ethyl ester 93009-85-9 C16H15N5O3
    5-methyl-7-oxo-6-phenylazo-4,7-dihydro-pyrazolo[1,5-<i>a</i>]pyrimidine-3-carboxylic acid ethyl ester
    —— 5-[(1E,3Z)-4-(5-Nitro-furan-2-yl)-buta-1,3-dienyl]-3H-[1,3,4]oxadiazol-2-one 93030-53-6 C10H7N3O5
    5-[(1E,3Z)-4-(5-Nitro-furan-2-yl)-buta-1,3-dienyl]-3H-[1,3,4]oxadiazol-2-one
    —— 5-hydroxymethyl-3-(4-thiophen-2-ylmethoxy-phenyl)-oxazolidin-2-one 70133-44-7 C15H15NO4S
    5-hydroxymethyl-3-(4-thiophen-2-ylmethoxy-phenyl)-oxazolidin-2-one
    —— 5-(5-fluoropyridin-2-yl)-N-methyl-1,3,4-oxadiazole-2-carboxamide 1310807-74-9 C9H7FN4O2
    5-(5-fluoropyridin-2-yl)-N-methyl-1,3,4-oxadiazole-2-carboxamide
    —— 5,8-ethano-hexahydro-benzo[<i>d</i>][1,2]oxazine-1,4-dione 1012-79-9 C10H13NO3
    5,8-ethano-hexahydro-benzo[<i>d</i>][1,2]oxazine-1,4-dione
    —— 5,5'-diethoxy-2,2'-[6-(4-chloro-3,5-dimethyl-phenoxy)-[1,3,5]triazine-2,4-diyl]-bis-phenol 4686-45-7 C27H26ClN3O5
    5,5'-diethoxy-2,2'-[6-(4-chloro-3,5-dimethyl-phenoxy)-[1,3,5]triazine-2,4-diyl]-bis-phenol
    —— 5-fluoro-6-isopropoxy-1H-benzimidazole 1394961-97-7 C10H11FN2O
    5-fluoro-6-isopropoxy-1H-benzimidazole
    —— 5-amino-4-chloroacetyl-1,2-diphenyl-1,2-dihydro-pyrazol-3-one 14372-84-0 C17H14ClN3O2
    5-amino-4-chloroacetyl-1,2-diphenyl-1,2-dihydro-pyrazol-3-one
    —— 5'-O-(p-Nitrobenzoyl)-ara-cytidin 31088-18-3 C16H16N4O8
    5'-O-(p-Nitrobenzoyl)-ara-cytidin
    —— 5-(N-[2-N',N'-dimethylaminoethyl]N-[3-pyridylmethyl]amino) 3-(2,4-dimethylphenyl)1,2,4-oxadiazole 136469-62-0 C20H25N5O
    5-(N-[2-N',N'-dimethylaminoethyl]N-[3-pyridylmethyl]amino) 3-(2,4-dimethylphenyl)1,2,4-oxadiazole
    —— 5-(prop-2-ene-1-sulfonylmethyl)-3-trichloromethylsulfanyl-3<i>H</i>-[1,3,4]oxadiazol-2-one 1219-72-3 C7H7Cl3N2O4S2
    5-(prop-2-ene-1-sulfonylmethyl)-3-trichloromethylsulfanyl-3<i>H</i>-[1,3,4]oxadiazol-2-one
    —— 5-benzyloxy-2-[4-(4-chloro-phenyl)-6-phenoxy-[1,3,5]triazin-2-yl]-phenol 4681-51-0 C28H20ClN3O3
    5-benzyloxy-2-[4-(4-chloro-phenyl)-6-phenoxy-[1,3,5]triazin-2-yl]-phenol
    —— 5-methyl-6-phenyl-5,6-dihydro-1<i>H</i>-pyrrolo[3,4-<i>d</i>]pyrimidine-2,4,7-trione 7052-33-7 C13H11N3O3
    5-methyl-6-phenyl-5,6-dihydro-1<i>H</i>-pyrrolo[3,4-<i>d</i>]pyrimidine-2,4,7-trione
    —— 5-[2-(Benzyl-isopropyl-amino)-1-hydroxy-ethyl]-2-hydroxy-benzoic acid methyl ester; hydrochloride 24084-98-8 C20H25NO4*ClH
    5-[2-(Benzyl-isopropyl-amino)-1-hydroxy-ethyl]-2-hydroxy-benzoic acid methyl ester; hydrochloride
    —— 5-Methyl-3-(trichlormethylthio)-1,3,4-oxadiazolon-2 90586-08-6 C4H3Cl3N2O2S
    5-Methyl-3-(trichlormethylthio)-1,3,4-oxadiazolon-2
    —— 5-butyl-8-methyl-6,11-dihydro-5<i>H</i>-benzo[<i>e</i>]pyrido[3,2-<i>b</i>][1,4]diazepine 4928-01-2 C17H21N3
    5-butyl-8-methyl-6,11-dihydro-5<i>H</i>-benzo[<i>e</i>]pyrido[3,2-<i>b</i>][1,4]diazepine
    —— 5-((4-chloro-2-((4-methoxybenzyl)thio)thiazol-5-yl)methylene)thiazolidine-2,4-dione 1262897-51-7 C15H11ClN2O3S3
    5-((4-chloro-2-((4-methoxybenzyl)thio)thiazol-5-yl)methylene)thiazolidine-2,4-dione
    —— 5-(cyclohexyloxy)-4-methyl-3-(4-methylpiperazin-1-yl)-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate 1456808-39-1 C28H34N2O6S
    5-(cyclohexyloxy)-4-methyl-3-(4-methylpiperazin-1-yl)-2-oxo-2H-chromen-7-yl 4-methylbenzenesulfonate