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中文名称 英文名称 CAS号 化学式 结构式图片
—— 5-Ethyl-[1,3,4]oxadiazole-2-carboxylic acid butyl ester 37641-39-7 C9H14N2O3
5-Ethyl-[1,3,4]oxadiazole-2-carboxylic acid butyl ester
—— 5-(3-methylbutyl)-3-(2-carboxyethyl)-1-(N-methyl-3-indolylmethyl)quinazoline-2,4-dione 1236595-00-8 C26H29N3O4
5-(3-methylbutyl)-3-(2-carboxyethyl)-1-(N-methyl-3-indolylmethyl)quinazoline-2,4-dione
—— 5-chloro-2-propyl-1H-imidazole 184424-22-4 C6H9ClN2
5-chloro-2-propyl-1H-imidazole
—— 5-chloro-2-methoxymethyl-1<i>H</i>-pyrimidine-4,6-dione 13420-41-2 C6H7ClN2O3
5-chloro-2-methoxymethyl-1<i>H</i>-pyrimidine-4,6-dione
—— 5-(2-fluorophenyl)-2-(4-fluorophenyl)-6-(methyl(methylsulfonyl)amino)-1-benzofuran-3-carboxylic acid 1333225-09-4 C23H17F2NO5S
5-(2-fluorophenyl)-2-(4-fluorophenyl)-6-(methyl(methylsulfonyl)amino)-1-benzofuran-3-carboxylic acid
—— 5'-O-(4,4'-Dimethoxytriphenylmethyl)-4-N-(dimethylformamidine)-2'-O-methyl-6-oxocytidine 171670-50-1 C34H38N4O8
5'-O-(4,4'-Dimethoxytriphenylmethyl)-4-N-(dimethylformamidine)-2'-O-methyl-6-oxocytidine
—— 5'-O-(4-chlorobenzoyl)-2'-deoxy-5-(E)-bromovinyluridine 87531-13-3 C18H16BrClN2O6
5'-O-(4-chlorobenzoyl)-2'-deoxy-5-(E)-bromovinyluridine
—— 5-[4-(3-Methoxycarbonyl-propyl)-5-oxo-4,5-dihydro-isoxazol-3-yl]-pentanoic acid methyl ester 138102-16-6 C14H21NO6
5-[4-(3-Methoxycarbonyl-propyl)-5-oxo-4,5-dihydro-isoxazol-3-yl]-pentanoic acid methyl ester
—— (5S,6R)-(-)-1<(1R)-1-(2,6-dichlorophenyl)ethyl>-5-(4-oxobut-2-yl)pyrrolidinone 134457-74-2 C16H19Cl2NO2
(5S,6R)-(-)-1<(1R)-1-(2,6-dichlorophenyl)ethyl>-5-(4-oxobut-2-yl)pyrrolidinone
—— 5'-O-[N-(L-α-aminobutyryl)sulfamoyl]adenosine 1030372-26-9 C14H21N7O7S
5'-O-[N-(L-α-aminobutyryl)sulfamoyl]adenosine
—— 5-({1-[2,4-bis(trifluoromethyl)benzyl]-1H-indazol-5-yl}methylidene)-2-[(3R)-3-(dimethylamino)pyrrolidin-1-yl]-1,3-thiazol-4(5H)-one 1312704-36-1 C26H23F6N5OS
5-({1-[2,4-bis(trifluoromethyl)benzyl]-1H-indazol-5-yl}methylidene)-2-[(3R)-3-(dimethylamino)pyrrolidin-1-yl]-1,3-thiazol-4(5H)-one
—— 5-bromo-1-(5-cyanoindan-1-yl)-6-methyl-4-oxo-1,4-dihydropyridine-3-carboxylic acid 1571135-75-5 C17H13BrN2O3
5-bromo-1-(5-cyanoindan-1-yl)-6-methyl-4-oxo-1,4-dihydropyridine-3-carboxylic acid
—— 5-(4-Methoxy-phenyl)-1-(4-phenyl-oxazol-2-yl)-4,5-dihydro-1H-[1,2,3]triazole 115754-54-6 C18H16N4O2
5-(4-Methoxy-phenyl)-1-(4-phenyl-oxazol-2-yl)-4,5-dihydro-1H-[1,2,3]triazole
—— 5-(2-(4-fluorophenyl)-2-oxoethylidene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione 1314877-58-1 C12H7FN2O3S
5-(2-(4-fluorophenyl)-2-oxoethylidene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione
—— 5,5'-(but-2-ene-2,3-diyl)bis(2-((dimethylamino)methyl)phenol) 1229393-71-8 C22H30N2O2
5,5'-(but-2-ene-2,3-diyl)bis(2-((dimethylamino)methyl)phenol)
—— 5-{4-(5-amino-spiro[2,3]hex-5-yl)phenyl}-4-cyclopropyl-1H-indazole 959926-33-1 C22H23N3
5-{4-(5-amino-spiro[2,3]hex-5-yl)phenyl}-4-cyclopropyl-1H-indazole
—— 5-[(tert-butoxy)carbonyl]-4H,5H,6H,7H,8H-furo[3,2-c]azepine-2-carboxylic acid 2172158-53-9 C14H19NO5
5-[(tert-butoxy)carbonyl]-4H,5H,6H,7H,8H-furo[3,2-c]azepine-2-carboxylic acid
—— 5-(4-chlorophenylsulfonyl)-4-methyl-4,5-dihydro-2H-pyrazolo[4,3-c]quinolin-8-ol 959997-65-0 C17H14ClN3O3S
5-(4-chlorophenylsulfonyl)-4-methyl-4,5-dihydro-2H-pyrazolo[4,3-c]quinolin-8-ol
—— (5α,8β)-vouacapane 468-94-0 C20H30O
(5α,8β)-vouacapane
—— 5-(3,4-dimethoxy-phenyl)-3-oxo-2-phenyl-valeronitrile 101890-54-4 C19H19NO3
5-(3,4-dimethoxy-phenyl)-3-oxo-2-phenyl-valeronitrile
—— 5-Silylpentan-1-amine 6402-44-4 C5H15NSi
5-Silylpentan-1-amine
—— 5-cyano-5-(4-methoxy-dibenzofuran-1-yl)-2-oxo-cyclohexanecarbaldehyde 1012336-05-8 C21H17NO4
5-cyano-5-(4-methoxy-dibenzofuran-1-yl)-2-oxo-cyclohexanecarbaldehyde
—— 5-Amino-pyrrolanthron 73420-41-4 C15H10N2O
5-Amino-pyrrolanthron
—— 5-amino-4-hydroxy-N,N,2-trimethylpyrazole-3-carboxamide 512188-03-3 C7H12N4O2
5-amino-4-hydroxy-N,N,2-trimethylpyrazole-3-carboxamide
—— (5,6,9,10,10a,11-hexahydro-4a<i>H</i>-cycloocta[4,5]pyrrolo[1,2-<i>b</i>][1,2,4]triazol-11-yl)-acetonitrile 63926-89-6 C13H16N4
(5,6,9,10,10a,11-hexahydro-4a<i>H</i>-cycloocta[4,5]pyrrolo[1,2-<i>b</i>][1,2,4]triazol-11-yl)-acetonitrile
—— 5-Methyl-3-phenylisoxazol-4-ylpenicillenic acid 131519-44-3 C19H19N3O5S
5-Methyl-3-phenylisoxazol-4-ylpenicillenic acid
—— 5-(4-morpholino-6-(tetrahydro-2H-pyran-4-yloxy)pyrimidin-2-yl)-4-(trifluoromethyl)pyridin-2-amine trifluoroacetate 1045860-53-4 C2HF3O2*C19H22F3N5O3
5-(4-morpholino-6-(tetrahydro-2H-pyran-4-yloxy)pyrimidin-2-yl)-4-(trifluoromethyl)pyridin-2-amine trifluoroacetate
—— 5-(2-hydroxyhexafluoroprop-2-yl)-1-(tetra-O-acetyl-β-glucopyranosyl)indole 110494-64-9 C25H25F6NO10
5-(2-hydroxyhexafluoroprop-2-yl)-1-(tetra-O-acetyl-β-glucopyranosyl)indole
—— (5aS,6aR,6bS)-3,3-dimethyltetrahydro-1H-cyclopropa[3,4]pyrrolo[1,2-c]oxazol-5(3H)-one 117857-89-3 C9H13NO2
(5aS,6aR,6bS)-3,3-dimethyltetrahydro-1H-cyclopropa[3,4]pyrrolo[1,2-c]oxazol-5(3H)-one
—— 5α-pregnan-6-one 29959-31-7 C21H34O
5α-pregnan-6-one
—— 5-(2-Hexyliden)-hydantoin 98841-33-9 C9H14N2O2
5-(2-Hexyliden)-hydantoin
—— 5a,7,8,9,10,10a,11,11a-Octahydro-indeno<1.2-b>indolizin 98438-58-5 C15H19N
5a,7,8,9,10,10a,11,11a-Octahydro-indeno<1.2-b>indolizin
—— 5,5'-dimethoxy-2,2'-diphenyl-4,4'-ethane-1,2-diyl-bis-naphtho[1,2-<i>b</i>]furan-3-carboxylic acid diethyl ester 120335-92-4 C46H38O8
5,5'-dimethoxy-2,2'-diphenyl-4,4'-ethane-1,2-diyl-bis-naphtho[1,2-<i>b</i>]furan-3-carboxylic acid diethyl ester
—— 5-<1,2-Dihydro-1,3,3-trimethyl-3H-1,4-diazaindenyliden-(2)-aethyliden>-3-aethyl-2-thio-thiazolidon-(4) 110423-50-2 C17H19N3OS2
5-<1,2-Dihydro-1,3,3-trimethyl-3H-1,4-diazaindenyliden-(2)-aethyliden>-3-aethyl-2-thio-thiazolidon-(4)
—— 5-Acetyl-5,6-dihydro-6,6'-biphenanthridyl 96379-03-2 C28H20N2O
5-Acetyl-5,6-dihydro-6,6'-biphenanthridyl
—— 5-<3-Piperidino-propen-(2)-yliden>-1,2,3,4-tetraphenyl-cyclopentadien 2473-64-5 C37H33N
5-<3-Piperidino-propen-(2)-yliden>-1,2,3,4-tetraphenyl-cyclopentadien
—— 5-(Dimethylamino)-4,4,-dimethyl-2-selenazolidinselon 82957-25-3 C7H14N2Se2
5-(Dimethylamino)-4,4,-dimethyl-2-selenazolidinselon
—— 5-(4-(tert-butyl)phenyl)-3-(5-methyl-1-(3-(4-methylpiperazin-1-yl)benzyl)-1H-1,2,4-triazol-3-yl)-1,2,4-oxadiazole 1570497-99-2 C27H33N7O
5-(4-(tert-butyl)phenyl)-3-(5-methyl-1-(3-(4-methylpiperazin-1-yl)benzyl)-1H-1,2,4-triazol-3-yl)-1,2,4-oxadiazole
—— 5-[5-(1-benzofuran-5-yl)thiophen-2-yl]-6-{[(3R)-1-(cyclopropylcarbonyl)pyrrolidin-3-yl]methyl}-4,6-diazaspiro[2.4]hept-4-en-7-one 1579520-08-3 C26H25N3O3S
5-[5-(1-benzofuran-5-yl)thiophen-2-yl]-6-{[(3R)-1-(cyclopropylcarbonyl)pyrrolidin-3-yl]methyl}-4,6-diazaspiro[2.4]hept-4-en-7-one
—— 5-(3-Triphenylen-2-ylphenyl)-[1]benzothiolo[3,2-c]carbazole 1357066-15-9 C42H25NS
5-(3-Triphenylen-2-ylphenyl)-[1]benzothiolo[3,2-c]carbazole
—— 5'-O-(dimethoxytrityl)-N<sup>4</sup>-<2-(4-nitrophenyl)ethoxycarbonyl>cytidine 173169-37-4 C39H38N4O11
5'-O-(dimethoxytrityl)-N<sup>4</sup>-<2-(4-nitrophenyl)ethoxycarbonyl>cytidine
—— 5-chloro-2-fluoro-4-{[(1R,2S,4S)-4-hydroxy-2-(1-methyl-1H-pyrazol-5-yl)cyclohexyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide 1450596-27-6 C20H21ClFN5O4S
5-chloro-2-fluoro-4-{[(1R,2S,4S)-4-hydroxy-2-(1-methyl-1H-pyrazol-5-yl)cyclohexyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide
—— (5R,5aS,9aS)-5-(tert-butyldimethylsilyloxy)-4,5,5a,6,7,8,9,9a-octahydro-6,6,9a-trimethylnaphtho<1,2-c>furan-3(1H)-one 121617-68-3 C21H36O3Si
(5R,5aS,9aS)-5-(tert-butyldimethylsilyloxy)-4,5,5a,6,7,8,9,9a-octahydro-6,6,9a-trimethylnaphtho<1,2-c>furan-3(1H)-one
—— 5-Iodothiophene-2-sulfonyl fluoride 2243520-95-6 C4H2FIO2S2
5-Iodothiophene-2-sulfonyl fluoride
—— (5-Fluoro-2-methoxy-phenyl)-p-tolyl-methanone 60972-09-0 C15H13FO2
(5-Fluoro-2-methoxy-phenyl)-p-tolyl-methanone
—— 5-hydroxy-N-(4b-hydroxy-7-isopropyl-1-nitro-10-oxo-9b,10-dihydro-4bH-indeno[1,2-b]benzofuran-9b-yl)nicotinamide 1416237-86-9 C24H19N3O7
5-hydroxy-N-(4b-hydroxy-7-isopropyl-1-nitro-10-oxo-9b,10-dihydro-4bH-indeno[1,2-b]benzofuran-9b-yl)nicotinamide
—— 5-amino-1,3-dimethyl-tetrahydro-pyrimidin-2-one 1448871-50-8 C6H13N3O
5-amino-1,3-dimethyl-tetrahydro-pyrimidin-2-one
—— (5S)-5-(2,2,6,6-tetramethyl-4-oxo-1-piperidinyl-N-oxide)-5,6-dihydrothymidine 96221-60-2 C19H31N3O7
(5S)-5-(2,2,6,6-tetramethyl-4-oxo-1-piperidinyl-N-oxide)-5,6-dihydrothymidine
—— 5-((tert-butyldimethylsilyl)oxy)-2-methylpent-1-en-3-amine 1460349-31-8 C12H27NOSi
5-((tert-butyldimethylsilyl)oxy)-2-methylpent-1-en-3-amine
—— 5-diethylamino-2-(4,5-dihydro-1<i>H</i>-imidazol-2-yl)-benzenethiol 58287-52-8 C13H19N3S
5-diethylamino-2-(4,5-dihydro-1<i>H</i>-imidazol-2-yl)-benzenethiol