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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,8-dimethylnon-8-en-6-yn-3-one 1128188-99-7 C11H16O
    5,8-dimethylnon-8-en-6-yn-3-one
    —— 5-ethynyl-4-trifluoromethyl-pyridin-2-ylamine 1321612-90-1 C8H5F3N2
    5-ethynyl-4-trifluoromethyl-pyridin-2-ylamine
    —— [5-[(4S)-4-tert-butyl-1,3-oxazolidin-3-id-2-ylidene]-4-iodocyclopenta-1,3-dien-1-yl]-trimethylsilane;cyclopenta-1,3-diene;iron(2+) 223903-99-9 C20H28FeINOSi
    [5-[(4S)-4-tert-butyl-1,3-oxazolidin-3-id-2-ylidene]-4-iodocyclopenta-1,3-dien-1-yl]-trimethylsilane;cyclopenta-1,3-diene;iron(2+)
    —— 5-[2-[4-Ethyl-6-(4-pyrimidin-2-ylpiperazin-1-yl)pyrimidin-5-yl]ethynyl]pyridin-2-amine 1321873-08-8 C21H22N8
    5-[2-[4-Ethyl-6-(4-pyrimidin-2-ylpiperazin-1-yl)pyrimidin-5-yl]ethynyl]pyridin-2-amine
    —— 5-(benzotriazol-1-ylmethyl)-N-[4-chloro-2-methyl-6-(methylcarbamoyl)phenyl]-2-(3-chloropyridin-2-yl)pyrazole-3-carboxamide 1339948-81-0 C25H20Cl2N8O2
    5-(benzotriazol-1-ylmethyl)-N-[4-chloro-2-methyl-6-(methylcarbamoyl)phenyl]-2-(3-chloropyridin-2-yl)pyrazole-3-carboxamide
    —— 5-bromo-2,6-di-(4-chloro-1H-pyrazol-1-yl)pyrimidin-4-amine 1337963-33-3 C10H6BrCl2N7
    5-bromo-2,6-di-(4-chloro-1H-pyrazol-1-yl)pyrimidin-4-amine
    —— 5-(2-ethyl-imidazol-1-yl)-4'-methyl-biphenyl-3-carboxylic acid ((S)-2-hydroxy-1-methyl-ethyl)-amide 1161830-31-4 C22H25N3O2
    5-(2-ethyl-imidazol-1-yl)-4'-methyl-biphenyl-3-carboxylic acid ((S)-2-hydroxy-1-methyl-ethyl)-amide
    —— 5-(6-trifluoromethyl-pyridin-2-ylamino)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (5-methyl-isoxazol-3-yl)-amide 1224942-16-8 C17H12F3N7O2
    5-(6-trifluoromethyl-pyridin-2-ylamino)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (5-methyl-isoxazol-3-yl)-amide
    —— 5-acetyl-2-ethyl-6-(3-methoxyphenyl)-4-((1-oxidoquinolin-5-yl)amino)pyridazin-3(2H)-one 720717-45-3 C24H22N4O4
    5-acetyl-2-ethyl-6-(3-methoxyphenyl)-4-((1-oxidoquinolin-5-yl)amino)pyridazin-3(2H)-one
    —— 5-(3-carbamoyl-1H-pyrrol-1-yl)-1-(6-methoxy-3-pyridyl)-1H-pyrazole-3-carboxylic acid 875555-37-6 C15H13N5O4
    5-(3-carbamoyl-1H-pyrrol-1-yl)-1-(6-methoxy-3-pyridyl)-1H-pyrazole-3-carboxylic acid
    —— 5-chloro-6-(2-chloro-6-fluorophenyl)-7-(2-ethylpiperidin-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidine 187233-79-0 C18H18Cl2FN5
    5-chloro-6-(2-chloro-6-fluorophenyl)-7-(2-ethylpiperidin-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidine
    —— 5-cyclopropyl-6-[(3,4-dichlorophenyl)methyl]pyrazolo[1,5-a]pyrimidin-7-ol 1370226-04-2 C16H13Cl2N3O
    5-cyclopropyl-6-[(3,4-dichlorophenyl)methyl]pyrazolo[1,5-a]pyrimidin-7-ol
    —— (5R,6R)-6-((S)-1-hydroxyethyl)-2-[(S)-1-[2-(o-hydroxy)phenyl-2-oxoethyl]pyrrolidin-3-ylthio]penem-3-carboxylic acid 190960-44-2 C20H22N2O6S2
    (5R,6R)-6-((S)-1-hydroxyethyl)-2-[(S)-1-[2-(o-hydroxy)phenyl-2-oxoethyl]pyrrolidin-3-ylthio]penem-3-carboxylic acid
    —— 5'-O-monomethoxytrityl-2'-O-t-butyldimethylsilyl-N6,N6-dimethyladenosine 219648-29-0 C38H47N5O5Si
    5'-O-monomethoxytrityl-2'-O-t-butyldimethylsilyl-N6,N6-dimethyladenosine
    —— 5-iodo-N-(pivaloyloxy)-2-((triisopropylsilyl)ethynyl)benzamide 1610376-36-7 C23H34INO3Si
    5-iodo-N-(pivaloyloxy)-2-((triisopropylsilyl)ethynyl)benzamide
    —— 5-ethylimino-2,4-diphenyl-[1,2,4]thiadiazolidine-3-thione 50506-91-7 C16H15N3S2
    5-ethylimino-2,4-diphenyl-[1,2,4]thiadiazolidine-3-thione
    —— 5,7-dichloro-6-methoxy-phenanthrene-9-carboxylic acid 101081-70-3 C16H10Cl2O3
    5,7-dichloro-6-methoxy-phenanthrene-9-carboxylic acid
    —— 5-methyl-6-(4-methyl-anilino)-pyrazine-2,3-dicarbonitrile 72112-50-6 C14H11N5
    5-methyl-6-(4-methyl-anilino)-pyrazine-2,3-dicarbonitrile
    —— 5'-S-acetyl-2',3'-O-cyclohexylidene-5'-thioneuridine 1234633-62-5 C17H22N2O6S
    5'-S-acetyl-2',3'-O-cyclohexylidene-5'-thioneuridine
    —— 5-(1-(2-methoxyethyl)-2,6-dioxopiperidin-3-yl)-5H-thieno(3,4-c)pyrrole-4,6-dione 932032-03-6 C14H14N2O5S
    5-(1-(2-methoxyethyl)-2,6-dioxopiperidin-3-yl)-5H-thieno(3,4-c)pyrrole-4,6-dione
    —— 5-(4-(methylphenoxymethyl)benzylidene)-2-thioxothiazolidin-4-one 1187212-03-8 C18H15NO2S2
    5-(4-(methylphenoxymethyl)benzylidene)-2-thioxothiazolidin-4-one
    —— 5-[[4,5-bis(trifluoromethyl)triazol-2-yl]methyl]-N-[4-chloro-2-methyl-6-(methylcarbamoyl)phenyl]-2-(3-chloropyridin-2-yl)pyrazole-3-carboxamide 1339952-51-0 C23H16Cl2F6N8O2
    5-[[4,5-bis(trifluoromethyl)triazol-2-yl]methyl]-N-[4-chloro-2-methyl-6-(methylcarbamoyl)phenyl]-2-(3-chloropyridin-2-yl)pyrazole-3-carboxamide
    —— (5,6-dicyano-3-isobutyl-pyrazin-2-ylsulfanyl)-acetic acid 72112-82-4 C12H12N4O2S
    (5,6-dicyano-3-isobutyl-pyrazin-2-ylsulfanyl)-acetic acid
    —— 5-Oxy-[1,3]dioxolo[4,5-g]quinoline-6,7-dicarboxylic acid diethyl ester 92525-72-9 C16H15NO7
    5-Oxy-[1,3]dioxolo[4,5-g]quinoline-6,7-dicarboxylic acid diethyl ester
    —— 5-(3-methyl-butyl)-pyrazine-2,3-dicarbonitrile 72111-47-8 C11H12N4
    5-(3-methyl-butyl)-pyrazine-2,3-dicarbonitrile
    —— 5-Chlor-2-methyl-4-<4-methoxy-α-cyan-benzyliden>-2,5-cyclohexadien-1-on-oxim 846-65-1 C16H13ClN2O2
    5-Chlor-2-methyl-4-<4-methoxy-α-cyan-benzyliden>-2,5-cyclohexadien-1-on-oxim
    —— 5.6.7-Trimethyl-2.2.3.3-tetracyan-spiro<3>hepten-(6) 93533-58-5 C14H12N4
    5.6.7-Trimethyl-2.2.3.3-tetracyan-spiro<3>hepten-(6)
    —— 5-(3-ethylthiophenyl)-2-phenyl-1-{[2-(1,1,1-trimethylsilyl)ethoxy]methyl}-1H-imidazole 1395048-26-6 C23H30N2OSSi
    5-(3-ethylthiophenyl)-2-phenyl-1-{[2-(1,1,1-trimethylsilyl)ethoxy]methyl}-1H-imidazole
    —— 5-phenylpentyl (methyl 2-O-acetyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-(6-O-acetyl-2-azido-2-deoxy-3-O-methyl-α-D-glucopyranosyl)-(1->4)-(methyl 2-O-acetyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-6-O-acetyl-2-[(benzyloxy)carbonyl]amino-2-deoxy-3-O-methyl-β-D-glucopyranoside 1388150-52-4 C57H78N4O27
    5-phenylpentyl (methyl 2-O-acetyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-(6-O-acetyl-2-azido-2-deoxy-3-O-methyl-α-D-glucopyranosyl)-(1->4)-(methyl 2-O-acetyl-3-O-methyl-α-L-idopyranosyluronate)-(1->4)-6-O-acetyl-2-[(benzyloxy)carbonyl]amino-2-deoxy-3-O-methyl-β-D-glucopyranoside
    —— 5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-2-phenylvaleronitrile hydrochloride 130375-58-5 C31H30N2*ClH
    5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-2-phenylvaleronitrile hydrochloride
    —— 5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-2-(2-naphthyl)valeronitrile hydrochloride 130375-14-3 C35H32N2*ClH
    5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-2-(2-naphthyl)valeronitrile hydrochloride
    —— (5R,6R)-2-(Carboxy-hydroxy-methyl)-6-hydroxy-5-(6-imino-1-phenethyl-1,6-dihydro-purin-9-yl)-2,5,6,6a-tetrahydro-furo[3,2-b]furan-2-carboxylic acid 116227-11-3 C22H21N5O8
    (5R,6R)-2-(Carboxy-hydroxy-methyl)-6-hydroxy-5-(6-imino-1-phenethyl-1,6-dihydro-purin-9-yl)-2,5,6,6a-tetrahydro-furo[3,2-b]furan-2-carboxylic acid
    —— 5,7-Dimethyl-3-[[4-[2,2-bis(ethoxycarbonyl)-1-(2-methylphenyl)ethyl]phenyl]methyl]-2-ethyl-3H-imidazo[4,5-b]pyridine 170790-46-2 C32H37N3O4
    5,7-Dimethyl-3-[[4-[2,2-bis(ethoxycarbonyl)-1-(2-methylphenyl)ethyl]phenyl]methyl]-2-ethyl-3H-imidazo[4,5-b]pyridine
    —— [5-(4-chloro-anilino)-3-dimethylamino-4-nitro-thiophen-2-yl]-phenyl-methanone 64030-81-5 C19H16ClN3O3S
    [5-(4-chloro-anilino)-3-dimethylamino-4-nitro-thiophen-2-yl]-phenyl-methanone
    —— 5-chloro-2-(4-phenyl-4<i>H</i>-[1,2,4]triazol-3-ylsulfanylmethyl)-1<i>H</i>-benzoimidazole 66297-93-6 C16H12ClN5S
    5-chloro-2-(4-phenyl-4<i>H</i>-[1,2,4]triazol-3-ylsulfanylmethyl)-1<i>H</i>-benzoimidazole
    —— 5-(bis((benzo[d]thiazol-2-yl)methylthio)methylene)-dihydro-6-imino-1,3-dimethyl-pyrimidine-2,4(1H,3H)-dione 1393651-96-1 C23H19N5O2S4
    5-(bis((benzo[d]thiazol-2-yl)methylthio)methylene)-dihydro-6-imino-1,3-dimethyl-pyrimidine-2,4(1H,3H)-dione
    —— {5-hydroxy-4-[(trimethylsilyl)ethynyl]-2-pyridinyl}methyl acetate trifluoroacetate 952587-20-1 C2HF3O2*C13H17NO3Si
    {5-hydroxy-4-[(trimethylsilyl)ethynyl]-2-pyridinyl}methyl acetate trifluoroacetate
    —— 5,5'-bis-(2-chloro-phenyl)-3,3'-dimethyl-1,1'-diphenyl-4,5,4',5'-tetrahydro-1<i>H</i>,1'<i>H</i>-[4,4']bipyrazolyl 57337-18-5 C32H28Cl2N4
    5,5'-bis-(2-chloro-phenyl)-3,3'-dimethyl-1,1'-diphenyl-4,5,4',5'-tetrahydro-1<i>H</i>,1'<i>H</i>-[4,4']bipyrazolyl
    —— (5-{4-[(Biphenyl-2-carbonyl)-amino]-benzoyl}-2-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]diazepin-1-yl)-acetic acid ethyl ester 226577-10-2 C33H29N3O5
    (5-{4-[(Biphenyl-2-carbonyl)-amino]-benzoyl}-2-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]diazepin-1-yl)-acetic acid ethyl ester
    —— 5-(9H-fluoren-9-ylidene)-5H-dibenzo[a,d][7]annulene 17435-25-5 C28H18
    5-(9H-fluoren-9-ylidene)-5H-dibenzo[a,d][7]annulene
    —— 5-(2-acetoxy-ethyl)-3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-4-methyl-thiazolium; bromide hydrobromide 138278-91-8 BrH*Br*C14H19N4O2S
    5-(2-acetoxy-ethyl)-3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-4-methyl-thiazolium; bromide hydrobromide
    —— 5-((E)-2-Hydroxy-4-phenyl-but-3-enyl)-1,2-dihydro-pyrazol-3-one 95060-79-0 C13H14N2O2
    5-((E)-2-Hydroxy-4-phenyl-but-3-enyl)-1,2-dihydro-pyrazol-3-one
    —— 5,5'-bis-(2-nitro-benzylidene)-2,2'-<i>m</i>-phenylenediamino-bis-thiazol-4-one 59361-65-8 C26H16N6O6S2
    5,5'-bis-(2-nitro-benzylidene)-2,2'-<i>m</i>-phenylenediamino-bis-thiazol-4-one
    —— 5,11,17,23-tetra-tert-butyl-μ-25,26,27,28-pyrophosphitethiacalix[4]arene 1360457-03-9 C40H44O5P2S4
    5,11,17,23-tetra-tert-butyl-μ-25,26,27,28-pyrophosphitethiacalix[4]arene
    —— 5-hydroxyimino-7-methyl-5H-furo[3,2-g]chromene-2-carboxylic acid methyl ester 107558-98-5 C14H11NO5
    5-hydroxyimino-7-methyl-5H-furo[3,2-g]chromene-2-carboxylic acid methyl ester
    —— 5,6-dihydrofuro[2,3-c]pyridazin-3(2H)-one 944408-16-6 C6H6N2O2
    5,6-dihydrofuro[2,3-c]pyridazin-3(2H)-one
    —— (5S)-1-(3,5-anhydro-2-deoxy-β-D-threo-pentofuranosyl)-5,6-dihydrothymine 94369-35-4 C10H14N2O4
    (5S)-1-(3,5-anhydro-2-deoxy-β-D-threo-pentofuranosyl)-5,6-dihydrothymine
    —— 5-(benzo[d]thiazol-2-yl)-2-morpholino-6-(piperidin-3-ylamino)pyrimidin-4(3H)-one 1433153-03-7 C20H24N6O2S
    5-(benzo[d]thiazol-2-yl)-2-morpholino-6-(piperidin-3-ylamino)pyrimidin-4(3H)-one
    —— 5-Methoxy-3-tetrazolyl-(5)-indol 23133-28-0 C10H9N5O
    5-Methoxy-3-tetrazolyl-(5)-indol
    —— (5α)androstanol-16β 1032-15-1 C19H32O
    (5α)androstanol-16β