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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(3,5-difluorophenyl)-4-fluoro-1,3-oxazole 1235340-46-1 C9H4F3NO
    5-(3,5-difluorophenyl)-4-fluoro-1,3-oxazole
    —— 5-cyano-2-phenyl-isoxazolidine-3-carboxylic acid 4-hydroxy-anilide 39792-18-2 C17H15N3O3
    5-cyano-2-phenyl-isoxazolidine-3-carboxylic acid 4-hydroxy-anilide
    —— 5-diphenylphosphinoyl-3,4-dimethyl-3-phenyl-3<i>H</i>-pyrazole 65939-30-2 C23H21N2OP
    5-diphenylphosphinoyl-3,4-dimethyl-3-phenyl-3<i>H</i>-pyrazole
    —— 5-Benzylsulfanylmethoxy-3,4-dihydro-pyrrol-2-one 65824-34-2 C12H13NO2S
    5-Benzylsulfanylmethoxy-3,4-dihydro-pyrrol-2-one
    —— 5α,17β-dihydroxy-17α-(3-hydroxyprop-1-ynyl)-6β-methyl-11β-[4-(3-pyridyl)-phenyl]-oestran-3-one 143611-85-2 C33H39NO4
    5α,17β-dihydroxy-17α-(3-hydroxyprop-1-ynyl)-6β-methyl-11β-[4-(3-pyridyl)-phenyl]-oestran-3-one
    —— 5-(3-tert-butoxycarbonylaminophenyl)-1,5,8,9,10,11-hexahydronaphtho[1,2-b][1,4]diazepine-2,4-dione 1355169-65-1 C24H27N3O4
    5-(3-tert-butoxycarbonylaminophenyl)-1,5,8,9,10,11-hexahydronaphtho[1,2-b][1,4]diazepine-2,4-dione
    —— 5-methyl-6-(2-thiomorpholin-4-yl-benzoxazol-6-yl)-4,5-dihydro-2H-pyridazin-3-one 1346699-58-8 C16H18N4O2S
    5-methyl-6-(2-thiomorpholin-4-yl-benzoxazol-6-yl)-4,5-dihydro-2H-pyridazin-3-one
    —— [5-(oxan-2-yloxymethyl)furan-2-yl]boronic acid 887250-53-5 C10H15BO5
    [5-(oxan-2-yloxymethyl)furan-2-yl]boronic acid
    —— 5-Fluor-3-isopropyl-6-trifluormethyl-cytosin 37836-76-3 C8H9F4N3O
    5-Fluor-3-isopropyl-6-trifluormethyl-cytosin
    —— ((5-(1-(4-methoxyphenyl)vinyl)-1,3-phenylene)bis(oxy))bis(tert-butyldimethylsilane) 1198091-29-0 C27H42O3Si2
    ((5-(1-(4-methoxyphenyl)vinyl)-1,3-phenylene)bis(oxy))bis(tert-butyldimethylsilane)
    —— (+)589[Co(ox)(NH3)2(py)2](1+) 741619-17-0 C4H14CoN4O4
    (+)589[Co(ox)(NH3)2(py)2](1+)
    —— 5-[5-acetoxypentynyl]-3′-O-acetyl-2′-deoxyuridine 1448510-92-6 C18H22N2O8
    5-[5-acetoxypentynyl]-3′-O-acetyl-2′-deoxyuridine
    —— [5,6-dimethyl-7-(3-morpholin-4-yl-propyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-hydrazine 869220-09-7 C15H24N6O
    [5,6-dimethyl-7-(3-morpholin-4-yl-propyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-hydrazine
    —— 5-bromo-3-<2-acetamido-2,2-bis(ethoxycarbonyl)ethyl>indole 75816-14-7 C18H21BrN2O5
    5-bromo-3-<2-acetamido-2,2-bis(ethoxycarbonyl)ethyl>indole
    —— 5,5-Dimethyl-2-<3-oxo-1-(2,6,6-trimethyl-cyclohex-2-enyl)-butyl>-cyclohexan-1,3-dion 25754-70-5 C21H32O3
    5,5-Dimethyl-2-<3-oxo-1-(2,6,6-trimethyl-cyclohex-2-enyl)-butyl>-cyclohexan-1,3-dion
    —— (5-<i>tert</i>-butyl-6-methoxy-4,5-dihydro-pyridazin-3-yl)-dimethyl-amine 41013-09-6 C11H21N3O
    (5-<i>tert</i>-butyl-6-methoxy-4,5-dihydro-pyridazin-3-yl)-dimethyl-amine
    —— 5-benzyloxymethyl-4<i>H</i>-[1,2,4]triazolo[1,5-<i>a</i>]pyrimidin-7-one 66599-96-0 C13H12N4O2
    5-benzyloxymethyl-4<i>H</i>-[1,2,4]triazolo[1,5-<i>a</i>]pyrimidin-7-one
    —— 5,6-dichloro-2-ethanesulfinyl-3<i>H</i>-pyrimidin-4-one 36811-32-2 C6H6Cl2N2O2S
    5,6-dichloro-2-ethanesulfinyl-3<i>H</i>-pyrimidin-4-one
    —— (5Z)-4-(furan-2-yl)-5-(furan-2-ylmethylidene)-3-phenylpyrrol-2-one 1207563-11-8 C19H13NO3
    (5Z)-4-(furan-2-yl)-5-(furan-2-ylmethylidene)-3-phenylpyrrol-2-one
    —— 5-{[6-(1H-indazol-6-yl)imidazo[1,2-a]pyrazin-8-yl]amino}pyridin-2-ol 1228795-22-9 C18H13N7O
    5-{[6-(1H-indazol-6-yl)imidazo[1,2-a]pyrazin-8-yl]amino}pyridin-2-ol
    —— 5-(1-ethyl-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)-3-(3-methylpyridin-4-yl)-1,2,4-oxadiazole 1233242-82-4 C19H23N5O
    5-(1-ethyl-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)-3-(3-methylpyridin-4-yl)-1,2,4-oxadiazole
    —— 5-(1-naphthyl)-2-{2-[4'-methoxy-1,1'-biphenyl-4-yl]ethyl}pentanoic acid 1232027-37-0 C30H30O3
    5-(1-naphthyl)-2-{2-[4'-methoxy-1,1'-biphenyl-4-yl]ethyl}pentanoic acid
    —— 5-amino-6-(1-ethyl-1H-pyrazol-5-yl)piperidin-2-one 1601078-84-5 C10H16N4O
    5-amino-6-(1-ethyl-1H-pyrazol-5-yl)piperidin-2-one
    —— 5-Imidazo[1,2-a]pyridin-3-yl-6-methyl-2-oxo-1,2-dihydro-pyridine-3-carbonitrile; hydrochloride 136312-17-9 C14H10N4O*ClH
    5-Imidazo[1,2-a]pyridin-3-yl-6-methyl-2-oxo-1,2-dihydro-pyridine-3-carbonitrile; hydrochloride
    —— 5-iodo-1,1-diphenyl-3,4-dihydro-1H-[1,3]oxazino[3,4-a]indole 1027224-10-7 C23H18INO
    5-iodo-1,1-diphenyl-3,4-dihydro-1H-[1,3]oxazino[3,4-a]indole
    —— 5-methoxy-5-methyl-2,5-dihydro-furan-2-yl hydroperoxide 16642-33-4 C6H10O4
    5-methoxy-5-methyl-2,5-dihydro-furan-2-yl hydroperoxide
    —— 5-amino-4-[5-(4-bromophenyl)oxazol-4-yl]-2-methylsulfanylthieno[2,3-d]pyrimidine-6-carboxylic acid 869578-76-7 C17H11BrN4O3S2
    5-amino-4-[5-(4-bromophenyl)oxazol-4-yl]-2-methylsulfanylthieno[2,3-d]pyrimidine-6-carboxylic acid
    —— 5-(2-dimethylaminoethoxy)-2-(4-hydroxy-3,5-dimethylphenyl)-7-methoxy-3H-quinazolin-4-one 1253731-70-2 C21H25N3O4
    5-(2-dimethylaminoethoxy)-2-(4-hydroxy-3,5-dimethylphenyl)-7-methoxy-3H-quinazolin-4-one
    —— 5-(4,4''-di-tert-butyl-4',5',6'-tris(4-(tert-butyl)phenyl)-[1,1':2',1''-terphenyl]-3'-yl)pyrimidine 1158990-31-8 C60H68N2
    5-(4,4''-di-tert-butyl-4',5',6'-tris(4-(tert-butyl)phenyl)-[1,1':2',1''-terphenyl]-3'-yl)pyrimidine
    —— 5-morpholino-2,1,3-benzoselenadiazole 94526-62-2 C10H11N3OSe
    5-morpholino-2,1,3-benzoselenadiazole
    —— (5'R)-2-(1'-Oxo-5'-tetrahydropyranyloxyhexyl)butan-4-olide 142591-58-0 C15H24O5
    (5'R)-2-(1'-Oxo-5'-tetrahydropyranyloxyhexyl)butan-4-olide
    —— 5-hydroxy-3-oxo-6-thiophen-2-yl-2-(1-trifluoromethyl-cyclopropylmethyl)-2,3-dihydro-pyridazine-4-carboxylic acid ethyl ester 1010697-61-6 C16H15F3N2O4S
    5-hydroxy-3-oxo-6-thiophen-2-yl-2-(1-trifluoromethyl-cyclopropylmethyl)-2,3-dihydro-pyridazine-4-carboxylic acid ethyl ester
    —— 5-carbamoyl-2-fluorobenzene-1-sulfonyl chloride 1480759-09-8 C7H5ClFNO3S
    5-carbamoyl-2-fluorobenzene-1-sulfonyl chloride
    —— 5-[3-(4-fluoro-phenyl)-2-(4-methanesulfonylphenyl)propionylamino]-pyrazine-2-carboxylic acid methyl ester 1380646-64-9 C22H20FN3O5S
    5-[3-(4-fluoro-phenyl)-2-(4-methanesulfonylphenyl)propionylamino]-pyrazine-2-carboxylic acid methyl ester
    —— 5,5'-methylenebis(2-(3-fluorophenylamino)benzoic acid) 1056450-24-8 C27H20F2N2O4
    5,5'-methylenebis(2-(3-fluorophenylamino)benzoic acid)
    —— 5-benzhydryl-3-butyl-2-phenyl-5-piperidin-1-ylmethyl-3,5-dihydro-imidazol-4-one 34939-68-9 C32H37N3O
    5-benzhydryl-3-butyl-2-phenyl-5-piperidin-1-ylmethyl-3,5-dihydro-imidazol-4-one
    —— 5-[(10-cyclopentyl-9-ethyl-7-methyl-8-oxo-2,4,7,9,10-pentazabicyclo[4.4.0]deca-2,4,11-trien-3-yl)amino]isoindole-1,3-dione 1018317-61-7 C21H23N7O3
    5-[(10-cyclopentyl-9-ethyl-7-methyl-8-oxo-2,4,7,9,10-pentazabicyclo[4.4.0]deca-2,4,11-trien-3-yl)amino]isoindole-1,3-dione
    —— 5β-androstane-3α,16α,17β-triol 28401-81-2 C19H32O3
    5β-androstane-3α,16α,17β-triol
    —— 5-(5-anilino-1<i>H</i>-[1,2,3]triazol-4-yl)-3-phenyl-3<i>H</i>-[1,2,3]triazolo[4,5-<i>d</i>]pyrimidin-7-ylamine 31708-89-1 C18H14N10
    5-(5-anilino-1<i>H</i>-[1,2,3]triazol-4-yl)-3-phenyl-3<i>H</i>-[1,2,3]triazolo[4,5-<i>d</i>]pyrimidin-7-ylamine
    —— 5-[2-bromo-3-(4-nitro-phenyl)-allylidene]-2-thioxo-thiazolidin-4-one 37530-55-5 C12H7BrN2O3S2
    5-[2-bromo-3-(4-nitro-phenyl)-allylidene]-2-thioxo-thiazolidin-4-one
    —— 5-chloro-3-methyl-1-phenyl-2,5-dihydro-1H-pyrazole-4-carbaldehyde 53923-99-2 C11H11ClN2O
    5-chloro-3-methyl-1-phenyl-2,5-dihydro-1H-pyrazole-4-carbaldehyde
    —— 5-Chlor-8-(4-nitro-benzoyloxy)-chinaldin 1046-67-9 C17H11ClN2O4
    5-Chlor-8-(4-nitro-benzoyloxy)-chinaldin
    —— (5E/Z)-6-((2S,4R)-1-(tert-butoxycarbonyl)-4-(((4-(trifluoromethyl)phenyl)sulfonyl)amino)pyrrolidin-2-yl)-5-hexenoic acid 454474-31-8 C22H29F3N2O6S
    (5E/Z)-6-((2S,4R)-1-(tert-butoxycarbonyl)-4-(((4-(trifluoromethyl)phenyl)sulfonyl)amino)pyrrolidin-2-yl)-5-hexenoic acid
    —— 5-(3-benzoylthioperopyn-1-yl)-2'-deoxy-5'-O-(4,4'-dimethoxytrityl)uridine 191222-93-2 C40H36N2O8S
    5-(3-benzoylthioperopyn-1-yl)-2'-deoxy-5'-O-(4,4'-dimethoxytrityl)uridine
    —— 5-bromo-5-[bromo-(4-nitro-phenyl)-methyl]-2-[4-(4-chloro-phenyl)-thiazol-2-ylamino]-thiazol-4-one 52414-13-8 C19H11Br2ClN4O3S2
    5-bromo-5-[bromo-(4-nitro-phenyl)-methyl]-2-[4-(4-chloro-phenyl)-thiazol-2-ylamino]-thiazol-4-one
    —— 5-benzyl-3-phenylethynyl-1,2,4-triazole 881877-46-9 C17H13N3
    5-benzyl-3-phenylethynyl-1,2,4-triazole
    —— 5-(3-methoxy-phenylethynyl)-pyrazolo[1,5-a]pyrimidine 1228351-92-5 C15H11N3O
    5-(3-methoxy-phenylethynyl)-pyrazolo[1,5-a]pyrimidine
    —— 5-(furan-3-yl)indolin-2-one 1450994-21-4 C12H9NO2
    5-(furan-3-yl)indolin-2-one
    —— 5,6,8,9,10,11-Hexahydrobenzo<c>acridin 101876-88-4 C17H17N
    5,6,8,9,10,11-Hexahydrobenzo<c>acridin
    —— 5-{3-[(3-methoxybenzoylamino)methyl]phenyl}furan-2-carboxylic acid ((S)-2-methyl-1-methylcarbamoylpropyl)amide 1227192-71-3 C26H29N3O5
    5-{3-[(3-methoxybenzoylamino)methyl]phenyl}furan-2-carboxylic acid ((S)-2-methyl-1-methylcarbamoylpropyl)amide