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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Methoxy-5-methoxymethyl-Δ<sup>3</sup>-pyrrolin-2-on 35991-73-2 C7H11NO3
    5-Methoxy-5-methoxymethyl-Δ<sup>3</sup>-pyrrolin-2-on
    —— [5-[Hex-5-en-2-ynyl-(4-methylphenyl)sulfonylamino]-2-methylpent-3-yn-2-yl] methyl carbonate 1092371-70-4 C21H25NO5S
    [5-[Hex-5-en-2-ynyl-(4-methylphenyl)sulfonylamino]-2-methylpent-3-yn-2-yl] methyl carbonate
    —— 5,12-bis-oxiranylmethoxy-anthra[2,1,9-<i>def</i>;6,5,10-<i>d'e'f'</i>]diisoquinoline-1,3,8,10-tetraone 19586-90-4 C30H18N2O8
    5,12-bis-oxiranylmethoxy-anthra[2,1,9-<i>def</i>;6,5,10-<i>d'e'f'</i>]diisoquinoline-1,3,8,10-tetraone
    —— 5-(3,4-dimethoxy-benzyl)-1-oxy-pyrimidine-2,4-diamine 30680-00-3 C13H16N4O3
    5-(3,4-dimethoxy-benzyl)-1-oxy-pyrimidine-2,4-diamine
    —— 5-Benzyl-2-oxa-1,3a,4-triaza-cyclopenta[a]naphthalen-3-one 18377-09-8 C16H11N3O2
    5-Benzyl-2-oxa-1,3a,4-triaza-cyclopenta[a]naphthalen-3-one
    —— 5-bromo-3-nitro-2-phenylethynyl-pyridine 638205-26-2 C13H7BrN2O2
    5-bromo-3-nitro-2-phenylethynyl-pyridine
    —— (5-thiocyanatopent-1-yn-1-yl)benzene 1454698-01-1 C12H11NS
    (5-thiocyanatopent-1-yn-1-yl)benzene
    —— 5-{2-[(4-methoxybenzyl)thio]-1,3-thiazol-4-yl}thiophene-2-carboxylic acid 475264-57-4 C16H13NO3S3
    5-{2-[(4-methoxybenzyl)thio]-1,3-thiazol-4-yl}thiophene-2-carboxylic acid
    —— 5-cyclopropyl-5-methyl-2-thioxo-oxazolidine-3,4-dicarboxylic acid 3-benzyl ester 4-ethyl ester 50684-95-2 C18H21NO5S
    5-cyclopropyl-5-methyl-2-thioxo-oxazolidine-3,4-dicarboxylic acid 3-benzyl ester 4-ethyl ester
    —— 5-{2-fluoro-4-[(5R)-2-oxo-5-(1H-1,2,3-triazol-1-ylmethyl)-1,3-oxazolidin-3-yl]phenyl}pyridine-2-carbonitrile 870694-23-8 C18H13FN6O2
    5-{2-fluoro-4-[(5R)-2-oxo-5-(1H-1,2,3-triazol-1-ylmethyl)-1,3-oxazolidin-3-yl]phenyl}pyridine-2-carbonitrile
    —— 5-(ethylsulfonyl)-2-(tetrahydro-2H-pyran-4-yl)-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole-8-carboxylic acid 1015082-20-8 C19H24N2O5S
    5-(ethylsulfonyl)-2-(tetrahydro-2H-pyran-4-yl)-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole-8-carboxylic acid
    —— 5-benzoyloxy-2-[4,6-bis-(2,4-dimethyl-phenyl)-[1,3,5]triazin-2-yl]-phenol 1789-72-6 C32H27N3O3
    5-benzoyloxy-2-[4,6-bis-(2,4-dimethyl-phenyl)-[1,3,5]triazin-2-yl]-phenol
    —— 5-(4-chloro-phenyl)-5-methyl-3-(2-pyridin-2-yl-ethyl)-oxazolidine-2,4-dione 108238-62-6 C17H15ClN2O3
    5-(4-chloro-phenyl)-5-methyl-3-(2-pyridin-2-yl-ethyl)-oxazolidine-2,4-dione
    —— [5-(4-Nitro-phenyl)-tetrazol-2-yl]-phenyl-methanone 91658-63-8 C14H9N5O3
    [5-(4-Nitro-phenyl)-tetrazol-2-yl]-phenyl-methanone
    —— (5S,7R,8R)-2-phenyl-8-methoxy-5,7-methano-6,6-dimethyl-5,6,7,8-tetrahydroquinoline N-oxide 1048030-69-8 C19H21NO2
    (5S,7R,8R)-2-phenyl-8-methoxy-5,7-methano-6,6-dimethyl-5,6,7,8-tetrahydroquinoline N-oxide
    —— 5-amino-4-cyano-N-(cyclopropylcarbamoyl)-3-(3,4-dichlorophenyl)-2,3-dihydrothiophene-2-carboxamide 1446847-15-9 C16H14Cl2N4O2S
    5-amino-4-cyano-N-(cyclopropylcarbamoyl)-3-(3,4-dichlorophenyl)-2,3-dihydrothiophene-2-carboxamide
    —— [5-Methyl-2-(5-quinolinyl)-2H-1,2,3-triazole-4-carbonyl]guanidine hydrochloride 241798-12-9 C14H13N7O*ClH
    [5-Methyl-2-(5-quinolinyl)-2H-1,2,3-triazole-4-carbonyl]guanidine hydrochloride
    —— 5-Cyclopentyl-1H-pyrazol-3-ol 467248-37-9 C8H12N2O
    5-Cyclopentyl-1H-pyrazol-3-ol
    —— 5-[[4-(trifluoromethyl)phenyl]methylidene]-2,3-dihydro-1-benzofuran-1-ium 87901-64-2 C16H12F3O
    5-[[4-(trifluoromethyl)phenyl]methylidene]-2,3-dihydro-1-benzofuran-1-ium
    —— 5-bromo-3,6-dimethylpyridine-2(1H)-thione 142274-30-4 C7H8BrNS
    5-bromo-3,6-dimethylpyridine-2(1H)-thione
    —— 5-acetylamino-1<i>H</i>-[1,2,4]triazole-3-sulfonic acid amide 29982-58-9 C4H7N5O3S
    5-acetylamino-1<i>H</i>-[1,2,4]triazole-3-sulfonic acid amide
    —— 5-(2-Aminoethoxy)-2-chlorophenol 26378-47-2 C8H10ClNO2
    5-(2-Aminoethoxy)-2-chlorophenol
    —— 5-cyano-1-(4-methoxyphenyl)-4-(methylthio)-2-[4-(methylthio)phenyl]-6-oxo-1,6-dihydropyrimidine 812691-99-9 C20H17N3O2S2
    5-cyano-1-(4-methoxyphenyl)-4-(methylthio)-2-[4-(methylthio)phenyl]-6-oxo-1,6-dihydropyrimidine
    —— 5-(6-ethoxy-2-methylquinolin-4-yl)-3-(pyrrolidin-1-ylmethyl)-1,3,4-oxadiazol-2-one 89046-58-2 C19H22N4O3
    5-(6-ethoxy-2-methylquinolin-4-yl)-3-(pyrrolidin-1-ylmethyl)-1,3,4-oxadiazol-2-one
    —— 5-triisopropylsilyl-3,4'-dimethyl-2,2'-bithiazole 474761-14-3 C17H28N2S2Si
    5-triisopropylsilyl-3,4'-dimethyl-2,2'-bithiazole
    —— 5-[(1-(2,4-bis-(trifluoromethyl)benzyl)-1H-indazol-5-yl)methylene]-2-(2-dimethylaminomethylmorpholin-4-yl)thiazol-4-one 1312703-51-7 C27H25F6N5O2S
    5-[(1-(2,4-bis-(trifluoromethyl)benzyl)-1H-indazol-5-yl)methylene]-2-(2-dimethylaminomethylmorpholin-4-yl)thiazol-4-one
    —— 5-Cyano-1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-4-carboxylic acid 98476-91-6 C12H6F3N3O2
    5-Cyano-1-[3-(trifluoromethyl)phenyl]-1H-pyrazole-4-carboxylic acid
    —— 5-((3,3-dimethylbutyl)(2-morpholinoethyl)amino)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one 1160507-83-4 C21H36N6O2
    5-((3,3-dimethylbutyl)(2-morpholinoethyl)amino)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one
    —— 5-amino-3-methyl-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxamide 1082745-62-7 C10H16N4O2
    5-amino-3-methyl-1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxamide
    —— 5-bromo-4-N-[2-(6-methoxy-1H-indol-3-yl)ethyl]-2-N-[4-(pyrrolidin-1-ylmethyl)phenyl]pyrimidine-2,4-diamine 702678-59-9 C26H29BrN6O
    5-bromo-4-N-[2-(6-methoxy-1H-indol-3-yl)ethyl]-2-N-[4-(pyrrolidin-1-ylmethyl)phenyl]pyrimidine-2,4-diamine
    —— 5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-2-(3,4-dimethoxyphenyl)valeronitrile hydrochloride 130375-60-9 C33H34N2O2*ClH
    5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-2-(3,4-dimethoxyphenyl)valeronitrile hydrochloride
    —— (5-chloro-2-methyl-indol-3-yl)-pyridin-2-yl-methanone 37128-52-2 C15H11ClN2O
    (5-chloro-2-methyl-indol-3-yl)-pyridin-2-yl-methanone
    —— 5-S-undecyl-5-thio-D-ribono-1,4-lactone 1616346-68-9 C16H30O4S
    5-S-undecyl-5-thio-D-ribono-1,4-lactone
    —— 5,7,7,16-Tetramethyl-5,11,14,15-tetrazapentacyclo[10.8.0.02,10.04,8.013,17]icosa-1(12),2,4(8),9,13,16-hexaen-6-one 1056564-35-2 C20H22N4O
    5,7,7,16-Tetramethyl-5,11,14,15-tetrazapentacyclo[10.8.0.02,10.04,8.013,17]icosa-1(12),2,4(8),9,13,16-hexaen-6-one
    —— 5-(3,4-dichloro-phenylethynyl)-N-[(R)-2-hydroxy-1-(1H-indol-3-ylmethyl)-ethyl]-2-isopropoxy-benzamide 1033264-48-0 C29H26Cl2N2O3
    5-(3,4-dichloro-phenylethynyl)-N-[(R)-2-hydroxy-1-(1H-indol-3-ylmethyl)-ethyl]-2-isopropoxy-benzamide
    —— 5-[3-oxo-3-phenyl-1-(thiophen-2-yl)propyl]-3,4-diphenylfuran-2(5H)-one 1224962-22-4 C29H22O3S
    5-[3-oxo-3-phenyl-1-(thiophen-2-yl)propyl]-3,4-diphenylfuran-2(5H)-one
    —— (5R,6S)-6-((S)-1-Hydroxy-ethyl)-7-oxo-3-(2-{3-[((R)-2,2,5,5-tetramethyl-[1,3]dioxane-4-carbonyl)-amino]-propionylamino}-ethylsulfanyl)-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester 85444-88-8 C30H40N4O10S
    (5R,6S)-6-((S)-1-Hydroxy-ethyl)-7-oxo-3-(2-{3-[((R)-2,2,5,5-tetramethyl-[1,3]dioxane-4-carbonyl)-amino]-propionylamino}-ethylsulfanyl)-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitro-benzyl ester
    —— 5,7-diaza-5,7-dimethyl-6,8-dioxo-dihydroisoxazolo<3',4':3,4>pyrrolo<1,2-a>indole 131599-12-7 C12H12N4O3
    5,7-diaza-5,7-dimethyl-6,8-dioxo-dihydroisoxazolo<3',4':3,4>pyrrolo<1,2-a>indole
    —— 5-Chlor-4-methyl-3-phenyl-1,2,4-triazol 50369-42-1 C9H8ClN3
    5-Chlor-4-methyl-3-phenyl-1,2,4-triazol
    —— 5-Methyl-5-nitro-hexanoic acid ethyl ester 51339-06-1 C9H17NO4
    5-Methyl-5-nitro-hexanoic acid ethyl ester
    —— 5-Chloro-2-hydroxy-benzoic acid N'-{2-[N'-(2-hydroxy-benzoyl)-hydrazino]-2-oxo-acetyl}-hydrazide 36931-58-5 C16H13ClN4O6
    5-Chloro-2-hydroxy-benzoic acid N'-{2-[N'-(2-hydroxy-benzoyl)-hydrazino]-2-oxo-acetyl}-hydrazide
    —— 5,5'-bis-(2,4-dimethoxy-phenyl)-2,2'-<i>p</i>-phenylene-bis-[1,3,4]thiadiazole 17493-97-9 C26H22N4O4S2
    5,5'-bis-(2,4-dimethoxy-phenyl)-2,2'-<i>p</i>-phenylene-bis-[1,3,4]thiadiazole
    —— 5,7-Dihydroxy-3-(4-methylsulfonyloxyphenyl)-4H-1-benzopyran-4-one 62845-12-9 C16H12O7S
    5,7-Dihydroxy-3-(4-methylsulfonyloxyphenyl)-4H-1-benzopyran-4-one
    —— 5-chloro-N-(2-cyclopropylbenzyl)-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxamide 1373517-93-1 C16H16ClF2N3O
    5-chloro-N-(2-cyclopropylbenzyl)-3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxamide
    —— 5'-deoxy-N4-[(3,3-dimethylbutoxy)carbonyl]-5-ethynylcytidine 216449-82-0 C18H25N3O6
    5'-deoxy-N4-[(3,3-dimethylbutoxy)carbonyl]-5-ethynylcytidine
    —— 5-ethyl-6-{4-[(3S)-3-fluoropyrrolidin-1-yl]phenyl}-2-oxo-1,2-dihydropyridine-3-carboxylic acid 1426662-71-6 C18H19FN2O3
    5-ethyl-6-{4-[(3S)-3-fluoropyrrolidin-1-yl]phenyl}-2-oxo-1,2-dihydropyridine-3-carboxylic acid
    —— 5-<3-Dimethylamino-2-methyl-propyl>-5-cyan-10,11-dihydro-5H-dibenzo<a,d>cyclohepten 69928-36-5 C22H26N2
    5-<3-Dimethylamino-2-methyl-propyl>-5-cyan-10,11-dihydro-5H-dibenzo<a,d>cyclohepten
    —— 5-ethoxy-3-(5-fluoro-2-methylphenyl)-5-trifluoromethylimidazolidine-2,4-dione 1416911-72-2 C13H12F4N2O3
    5-ethoxy-3-(5-fluoro-2-methylphenyl)-5-trifluoromethylimidazolidine-2,4-dione
    —— 5-bromo-2,2-bis(4-nitrophenoxy)benzofuran-3(2H)-one 1632055-80-1 C20H11BrN2O8
    5-bromo-2,2-bis(4-nitrophenoxy)benzofuran-3(2H)-one
    —— 5-hydroxy-3-methyl-5-perfluorooctyl-1-propyl-3-pyrrolin-2-one 135957-93-6 C16H12F17NO2
    5-hydroxy-3-methyl-5-perfluorooctyl-1-propyl-3-pyrrolin-2-one