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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(N'-phenylureido)-1,3,4-thiadiazole-2-sulfonamide 109907-75-7 C9H9N5O3S2
    5-(N'-phenylureido)-1,3,4-thiadiazole-2-sulfonamide
    —— 5-N-Acetyl-4-O-acetyl-neuraminic acid —— C13H21NO10
    5-N-Acetyl-4-O-acetyl-neuraminic acid
    —— [5-(2,6-dimethyl-phenoxymethyl)-4-phenyl-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl]-acetic acid 64013-61-2 C19H19N3O3S
    [5-(2,6-dimethyl-phenoxymethyl)-4-phenyl-4<i>H</i>-[1,2,4]triazol-3-ylsulfanyl]-acetic acid
    —— 5-[(3,4-dichlorophenyl)methyl]-1H-1,2,4-triazol-3-amine 502686-15-9 C9H8Cl2N4
    5-[(3,4-dichlorophenyl)methyl]-1H-1,2,4-triazol-3-amine
    —— [5-Cyano-3-(4-methylbenzoyl)oxyoxolan-2-yl]methyl 4-methylbenzoate 50908-41-3 C22H21NO5
    [5-Cyano-3-(4-methylbenzoyl)oxyoxolan-2-yl]methyl 4-methylbenzoate
    —— 5,10,15,20-Tetrakis(2-chlorophenyl)-21,22-dihydroporphyrin 37083-35-5 C44H26Cl4N4
    5,10,15,20-Tetrakis(2-chlorophenyl)-21,22-dihydroporphyrin
    —— 5-(4-dimethylamino-benzylidene)-oxazolidine-2,4-dithione —— C12H12N2OS2
    5-(4-dimethylamino-benzylidene)-oxazolidine-2,4-dithione
    —— 5-nitro-4-(piperidin-1-yl)pyrimidin-2-amine 303227-65-8 C9H13N5O2
    5-nitro-4-(piperidin-1-yl)pyrimidin-2-amine
    —— 5-amino-2-methyl-7-thioxo-4,7-dihydro-thiazolo[4,5-<i>b</i>]pyridine-6-carbonitrile 51076-86-9 C8H6N4S2
    5-amino-2-methyl-7-thioxo-4,7-dihydro-thiazolo[4,5-<i>b</i>]pyridine-6-carbonitrile
    —— 5-(4-fluoro-phenyl)-penta-2,4-dienal 109239-21-6 C11H9FO
    5-(4-fluoro-phenyl)-penta-2,4-dienal
    —— 5-(2,4-dioxo-7-nitro-2,3,4,5-tetrahydro-1H-chromeno[2,3-d]pyrimidin-5-yl)pyrimidine-2,4,6(1H,3H,5H)-trione 709637-97-8 C15H9N5O8
    5-(2,4-dioxo-7-nitro-2,3,4,5-tetrahydro-1H-chromeno[2,3-d]pyrimidin-5-yl)pyrimidine-2,4,6(1H,3H,5H)-trione
    —— 5-(3-Phenylpropyl)-1,3,4-thiadiazol-2-amine 39181-41-4 C11H13N3S
    5-(3-Phenylpropyl)-1,3,4-thiadiazol-2-amine
    —— 5-[[2-(4-Chlorophenoxy)phenyl]methylidene]-1,3-thiazolidine-2,4-dione 917602-13-2 C16H10ClNO3S
    5-[[2-(4-Chlorophenoxy)phenyl]methylidene]-1,3-thiazolidine-2,4-dione
    —— 5-[1-Butyl-2,6-bis(4-carboxyphenyl)pyridin-1-ium-4-yl]-2-methoxybenzenesulfonate 91788-30-6 C30H27NO8S
    5-[1-Butyl-2,6-bis(4-carboxyphenyl)pyridin-1-ium-4-yl]-2-methoxybenzenesulfonate
    —— 5'-<(Chromon-3-yl)-methylen>rhodanin 62484-70-2 C13H7NO3S2
    5'-<(Chromon-3-yl)-methylen>rhodanin
    —— 5-(4-(1,1-dimethylethyl)phenyl)-5-methylimidazolidine-2,4-dione 61344-30-7 C14H18N2O2
    5-(4-(1,1-dimethylethyl)phenyl)-5-methylimidazolidine-2,4-dione
    —— 5-amino-2,3-dihydro-7-(4-hydroxy-3-methoxyphenyl)-2-[(4-hydroxy-3-methoxyphenyl)methylene]-3-oxo-7H-thiazolo[3,2-a]pyridine-6,8-dicarbonitrile 487024-91-9 C24H18N4O5S
    5-amino-2,3-dihydro-7-(4-hydroxy-3-methoxyphenyl)-2-[(4-hydroxy-3-methoxyphenyl)methylene]-3-oxo-7H-thiazolo[3,2-a]pyridine-6,8-dicarbonitrile
    —— 5-Fluoro-6-(hydroxymethyl)oxane-2,3,4-triol 40010-20-6 C6H11FO5
    5-Fluoro-6-(hydroxymethyl)oxane-2,3,4-triol
    —— 5-chloro-2-pyridin-2-ylmethylenebenzofuran-3-one 19872-86-7 C14H8ClNO2
    5-chloro-2-pyridin-2-ylmethylenebenzofuran-3-one
    —— 5-chloro-2-(t-butylamino)pyridine 121953-61-5 C9H13ClN2
    5-chloro-2-(t-butylamino)pyridine
    —— 5,6-dihydro-7,10-dimethyl-2,4-diphenylbenzo<h>quinoline 85973-16-6 C27H23N
    5,6-dihydro-7,10-dimethyl-2,4-diphenylbenzo<h>quinoline
    —— 5-Acetyl-4-phenyl-6-hydroxy-3,6-dimethyl-4,5,6,7-tetrahydro-2,1-bnenzisoxazole 105807-58-7 C17H19NO3
    5-Acetyl-4-phenyl-6-hydroxy-3,6-dimethyl-4,5,6,7-tetrahydro-2,1-bnenzisoxazole
    —— 5-ethynyl-5'-(trimethylsilyl)-2,2'-bipyridine 1236851-23-2 C15H16N2Si
    5-ethynyl-5'-(trimethylsilyl)-2,2'-bipyridine
    —— 5-methyl-4-[(5-methyl-1H-pyrazol-4-yl)selanyl]-1H-pyrazole 496842-40-1 C8H10N4Se
    5-methyl-4-[(5-methyl-1H-pyrazol-4-yl)selanyl]-1H-pyrazole
    —— 5-[[1-[3-(2,5-Dimethylphenoxy)propyl]indol-3-yl]methylidene]-1-(4-fluorophenyl)-1,3-diazinane-2,4,6-trione 5727-27-5 C30H26FN3O4
    5-[[1-[3-(2,5-Dimethylphenoxy)propyl]indol-3-yl]methylidene]-1-(4-fluorophenyl)-1,3-diazinane-2,4,6-trione
    —— 5,6-dihydro-8,10-diethylbenzo<a>carbazole 117766-86-6 C20H21N
    5,6-dihydro-8,10-diethylbenzo<a>carbazole
    —— 5-(5-Methoxycarbonyl-pentanoyl)-2,2-dimethyl-4,6-dioxo-cyclohexanecarboxylic acid methyl ester 138972-19-7 C17H24O7
    5-(5-Methoxycarbonyl-pentanoyl)-2,2-dimethyl-4,6-dioxo-cyclohexanecarboxylic acid methyl ester
    —— 5-nitro-4,6-dimethoxy-2-(β-dimethylaminovinyl)pyrimidine 83256-20-6 C10H14N4O4
    5-nitro-4,6-dimethoxy-2-(β-dimethylaminovinyl)pyrimidine
    —— 5-tert-butyl-2-methyl-4-nitro-2H-pyrazole-3-carboxylic acid amide 376385-67-0 C9H14N4O3
    5-tert-butyl-2-methyl-4-nitro-2H-pyrazole-3-carboxylic acid amide
    —— [[5-Chloro-1-[(3,4-dichlorophenyl)methyl]-2-oxoindol-3-ylidene]amino] 3-chloropropanoate 320420-75-5 C18H12Cl4N2O3
    [[5-Chloro-1-[(3,4-dichlorophenyl)methyl]-2-oxoindol-3-ylidene]amino] 3-chloropropanoate
    —— 5-Hydroxy-2-methylnicotinonitrile 1346544-17-9 C7H6N2O
    5-Hydroxy-2-methylnicotinonitrile
    —— 5-[1-Butyl-2-(4-carboxyphenyl)-5,6-dihydrobenzo[h]quinolin-1-ium-4-yl]-2-methoxybenzenesulfonate 91788-35-1 C31H29NO6S
    5-[1-Butyl-2-(4-carboxyphenyl)-5,6-dihydrobenzo[h]quinolin-1-ium-4-yl]-2-methoxybenzenesulfonate
    —— 5-Bromo-2-(chloromethyl)-3-methylpyridine hydrochloride 1951444-92-0 C7H8BrCl2N
    5-Bromo-2-(chloromethyl)-3-methylpyridine hydrochloride
    —— 5-Hydroxy-N-methoxy-N,2-dimethylnicotinamide 1211542-17-4 C9H12N2O3
    5-Hydroxy-N-methoxy-N,2-dimethylnicotinamide
    —— 5-Aminoisoquinolin-3-ol 1374651-50-9 C9H8N2O
    5-Aminoisoquinolin-3-ol
    —— 5-Bromo-1-(4,6-diphenyl-pyridine-2-carbonyl)-1H-pyridin-2-one 89478-76-2 C23H15BrN2O2
    5-Bromo-1-(4,6-diphenyl-pyridine-2-carbonyl)-1H-pyridin-2-one
    —— 5-Phenyl-1-(phenylsulfonyl)pyrrolidin-3-one 1270026-81-7 C16H15NO3S
    5-Phenyl-1-(phenylsulfonyl)pyrrolidin-3-one
    —— 5-(4-methoxy-phenyl)-5,8,9,10-tetrahydro-7H-4b,10,11-triaza-benzo[b]fluoren-6-one 669718-31-4 C21H19N3O2
    5-(4-methoxy-phenyl)-5,8,9,10-tetrahydro-7H-4b,10,11-triaza-benzo[b]fluoren-6-one
    —— 5-(2-hydroxyphenylmethylene)-2-(4-methylphenylimino)-4-oxothiazolidine 345932-21-0 C17H14N2O2S
    5-(2-hydroxyphenylmethylene)-2-(4-methylphenylimino)-4-oxothiazolidine
    —— 5-{[5-(ethoxycarbonyl)-5-methyl-2-oxo-1-phenyl-2,5-dihydro-1H-pyrrol-3-yl]amino}-2-hydroxybenzoic acid 6167-23-3 C21H20N2O6
    5-{[5-(ethoxycarbonyl)-5-methyl-2-oxo-1-phenyl-2,5-dihydro-1H-pyrrol-3-yl]amino}-2-hydroxybenzoic acid
    —— (5S)-5-(dipropylamino)-5,6-dihydro-4H-phenalen-2-ol —— C19H25NO
    (5S)-5-(dipropylamino)-5,6-dihydro-4H-phenalen-2-ol
    —— 5-Ethyl-3-(4-methoxy-benzyl)-[1,2,4]oxadiazole 82670-86-8 C12H14N2O2
    5-Ethyl-3-(4-methoxy-benzyl)-[1,2,4]oxadiazole
    —— 5H-Oxazolo[3,2-a]pyridine, hexahydro-3-phenyl-5-propyl- 88056-98-8 C16H23NO
    5H-Oxazolo[3,2-a]pyridine, hexahydro-3-phenyl-5-propyl-
    —— 5-(benzothiazol-2-ylthio)-5-(trimethylsilyl)pentan-2-one 106296-65-5 C15H21NOS2Si
    5-(benzothiazol-2-ylthio)-5-(trimethylsilyl)pentan-2-one
    —— 5-[1-Benzyl-2-(4-carboxyphenyl)-5,6-dihydrobenzo[h]quinolin-1-ium-4-yl]-2-methoxybenzenesulfonate 91788-36-2 C34H27NO6S
    5-[1-Benzyl-2-(4-carboxyphenyl)-5,6-dihydrobenzo[h]quinolin-1-ium-4-yl]-2-methoxybenzenesulfonate
    —— 5-Amino-6-cyano-7-(4-methoxy-phenyl)-2-[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-3-oxo-2,3-dihydro-7H-thiazolo[3,2-a]pyridine-8-carboxylic acid phenylamide 118464-22-5 C30H24N4O4S
    5-Amino-6-cyano-7-(4-methoxy-phenyl)-2-[1-(4-methoxy-phenyl)-meth-(E)-ylidene]-3-oxo-2,3-dihydro-7H-thiazolo[3,2-a]pyridine-8-carboxylic acid phenylamide
    —— 5H-1,4-Diazepin-5-one, hexahydro-1-methyl-2,7-diphenyl-, (-)- 14231-80-2 C18H20N2O
    5H-1,4-Diazepin-5-one, hexahydro-1-methyl-2,7-diphenyl-, (-)-
    —— 5-(4-Methoxy-benzylidenhydrazino)-tetrazol 38247-26-6 C9H10N6O
    5-(4-Methoxy-benzylidenhydrazino)-tetrazol
    —— 5-Nitro-2-[2-[2-(5-nitro-1,3-dioxobenzo[de]isoquinolin-2-yl)ethylamino]ethyl]benzo[de]isoquinoline-1,3-dione 118587-14-7 C28H19N5O8
    5-Nitro-2-[2-[2-(5-nitro-1,3-dioxobenzo[de]isoquinolin-2-yl)ethylamino]ethyl]benzo[de]isoquinoline-1,3-dione
    —— 5-chloro-2-hydroxy-N,N-dimethyl-3-nitrobenzamide 292636-64-7 C9H9ClN2O4
    5-chloro-2-hydroxy-N,N-dimethyl-3-nitrobenzamide