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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-chloro-2-(2,4-dimethylbenzyl)-4H-isoquinoline-1,3-dione 721960-40-3 C18H16ClNO2
    5-chloro-2-(2,4-dimethylbenzyl)-4H-isoquinoline-1,3-dione
    —— 5-phenylpent-4-ynyl 7-(oxiran-2-yl)heptanoate 1186400-15-6 C20H26O3
    5-phenylpent-4-ynyl 7-(oxiran-2-yl)heptanoate
    —— 5-(1-methylethyl)-N-[3-(2-oxopropyl)-1,2,4-thiadiazol-5-yl]-1-phenyl-1H-1,2,3-triazole-4-carboxamide 954761-18-3 C17H18N6O2S
    5-(1-methylethyl)-N-[3-(2-oxopropyl)-1,2,4-thiadiazol-5-yl]-1-phenyl-1H-1,2,3-triazole-4-carboxamide
    —— 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[2-(fluoroethyl)sulfonyl]-1H-pyrazole-3-carbonitrile 209966-81-4 C13H8Cl2F4N4O2S
    5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-[2-(fluoroethyl)sulfonyl]-1H-pyrazole-3-carbonitrile
    —— 5,5,5',5'-tetramethyl-2,2'-(4-fluoro-butylidene)-bis-cyclohexane-1,3-dione 478-41-1 C20H29FO4
    5,5,5',5'-tetramethyl-2,2'-(4-fluoro-butylidene)-bis-cyclohexane-1,3-dione
    —— 5-bromo-11-(N,N-diallylaminomethyl)-25,26,27,28-tetrabenzyloxycalix[4]arene 1094603-77-6 C63H58BrNO4
    5-bromo-11-(N,N-diallylaminomethyl)-25,26,27,28-tetrabenzyloxycalix[4]arene
    —— 5-[(1-methylpiperidin-4-yl)methoxy]-2-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]pyrimidine 1314391-49-5 C23H32BN3O3
    5-[(1-methylpiperidin-4-yl)methoxy]-2-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]pyrimidine
    —— 5-tert-Butyloxycarbonyl-3a-fluoro-7-(2-furanyl)-1,2,3,3a,5,9b-hexahydrocyclo-penta[c]quinolin-4-one 270082-75-2 C21H22FNO4
    5-tert-Butyloxycarbonyl-3a-fluoro-7-(2-furanyl)-1,2,3,3a,5,9b-hexahydrocyclo-penta[c]quinolin-4-one
    —— 5-(N9-hypoxanthin)-methylpentanoate 326797-79-9 C12H16N4O3
    5-(N9-hypoxanthin)-methylpentanoate
    —— 5-(3-fluoro-4-methyl-phenyl)-2-methyl-thiazole-4-carboxylic acid cyclopropylmethyl-[2-(5-fluoro-1H-indol-3-yl)-ethyl]-amide 1223586-07-9 C26H25F2N3OS
    5-(3-fluoro-4-methyl-phenyl)-2-methyl-thiazole-4-carboxylic acid cyclopropylmethyl-[2-(5-fluoro-1H-indol-3-yl)-ethyl]-amide
    —— 5-(2-methoxyethyl)-N-(1-methyl-1-pyridin-4-ylethyl)-1-[5-methyl-4-(2-thienyl)pyrimidin-2-yl]-1H-pyrazole-4-carboxamide 1019255-30-1 C24H26N6O2S
    5-(2-methoxyethyl)-N-(1-methyl-1-pyridin-4-ylethyl)-1-[5-methyl-4-(2-thienyl)pyrimidin-2-yl]-1H-pyrazole-4-carboxamide
    —— 5-Fluoro-2-(propan-2-yloxy)benzene-1-sulfonyl chloride 1216147-31-7 C9H10ClFO3S
    5-Fluoro-2-(propan-2-yloxy)benzene-1-sulfonyl chloride
    —— 5-azido-6-(4'-fluoro-2-(3-methoxypropoxy)biphenyl-4-ylmethoxy)-4-hydroxy-2-isopropylhexanoic acid (1-(4-chlorobenzenesulfonylaminomethyl)-2-methylbutyl)amide 1148105-50-3 C38H51ClFN5O7S
    5-azido-6-(4'-fluoro-2-(3-methoxypropoxy)biphenyl-4-ylmethoxy)-4-hydroxy-2-isopropylhexanoic acid (1-(4-chlorobenzenesulfonylaminomethyl)-2-methylbutyl)amide
    —— [5-[5-Bis(4-tert-butylphenyl)boranylthiophen-2-yl]thiophen-2-yl]-bis(4-tert-butylphenyl)borane 923001-29-0 C48H56B2S2
    [5-[5-Bis(4-tert-butylphenyl)boranylthiophen-2-yl]thiophen-2-yl]-bis(4-tert-butylphenyl)borane
    —— 5-Isopropyl-2,7,8-trimethyl-bicyclo <4.2.0> octan-dicarbonsaeure-(7,8)-anhydrid 7124-31-4 C16H24O3
    5-Isopropyl-2,7,8-trimethyl-bicyclo <4.2.0> octan-dicarbonsaeure-(7,8)-anhydrid
    —— 5α-Cholestano<2,3-c><1',2',5'>oxadiazole 5301-34-8 C27H44N2O
    5α-Cholestano<2,3-c><1',2',5'>oxadiazole
    —— 5-O-t-butyldimethylsilyl-25b-methylidenemilbemycin A<sub>4</sub> 198541-92-3 C39H60O7Si
    5-O-t-butyldimethylsilyl-25b-methylidenemilbemycin A<sub>4</sub>
    —— 5,6-bis(trimethylsilyloxy)-bicyclo(2.2.2)octa-2,5-diene-2,3-dicarboxylic acid dimethyl ester 70841-09-7 C18H30O6Si2
    5,6-bis(trimethylsilyloxy)-bicyclo(2.2.2)octa-2,5-diene-2,3-dicarboxylic acid dimethyl ester
    —— 5-[3-(3-methoxyphenoxy)propylamino]-2-(4-methoxyphenyl)-2-propan-2-ylpentanenitrile 120352-16-1 C25H34N2O3
    5-[3-(3-methoxyphenoxy)propylamino]-2-(4-methoxyphenyl)-2-propan-2-ylpentanenitrile
    —— 5-Nitro-benzoldiazonium-2-carboxylat 81746-69-2 C7H3N3O4
    5-Nitro-benzoldiazonium-2-carboxylat
    —— 5-[1-(3-chlorophenyl)-1H-tetrazol-5-yl]-5'-isopropyl-2'-methoxybiphenyl-2,4-diol 1143625-80-2 C23H21ClN4O3
    5-[1-(3-chlorophenyl)-1H-tetrazol-5-yl]-5'-isopropyl-2'-methoxybiphenyl-2,4-diol
    —— 5-Methoxy-2-hydroxy-1-cyan-1,2-dihydro-chinolin 21979-48-6 C11H10N2O2
    5-Methoxy-2-hydroxy-1-cyan-1,2-dihydro-chinolin
    —— 5,7-Diaethoxy-4'-methoxy-6-(4-methoxy-benzoyloxy)-flavon 20081-43-0 C28H26O8
    5,7-Diaethoxy-4'-methoxy-6-(4-methoxy-benzoyloxy)-flavon
    —— 5,5,7-Trimethyl-1-phenyl-2,4,5,6-tetrahydro-benzimidazol-2-thion 17049-94-4 C16H18N2S
    5,5,7-Trimethyl-1-phenyl-2,4,5,6-tetrahydro-benzimidazol-2-thion
    —— 5,6-Heptamethylen-Δ<sup>4</sup>-dihydro-1,3,4-oxadiazin-2-on 19836-51-2 C10H16N2O2
    5,6-Heptamethylen-Δ<sup>4</sup>-dihydro-1,3,4-oxadiazin-2-on
    —— 5-(Carboxy-methylmercapto)-3-amino-4-carbamoyl-thiophen-2-carbonsaeure-ethylester 94031-92-2 C10H12N2O5S2
    5-(Carboxy-methylmercapto)-3-amino-4-carbamoyl-thiophen-2-carbonsaeure-ethylester
    —— 5-Benzoyloxy-flavon 95222-93-8 C22H14O4
    5-Benzoyloxy-flavon
    —— 5-N-Ethyl-guanidino-2-oxo-3,4-diphenyl-2H-pyrrol 94254-72-5 C19H18N4O
    5-N-Ethyl-guanidino-2-oxo-3,4-diphenyl-2H-pyrrol
    —— (5-nitro-1(3)<i>H</i>-benzoimidazol-2-yl)-acetic acid 33298-74-7 C9H7N3O4
    (5-nitro-1(3)<i>H</i>-benzoimidazol-2-yl)-acetic acid
    —— 5-(pent-4-ynylthio)pentanal 1010447-31-0 C10H16OS
    5-(pent-4-ynylthio)pentanal
    —— 5-amino-3-(2-hydroxyethoxy)methylpyrazolo<4,3-d>pyrimidin-7(6H)-one hydrochloride 101535-83-5 C8H11N5O3*ClH
    5-amino-3-(2-hydroxyethoxy)methylpyrazolo<4,3-d>pyrimidin-7(6H)-one hydrochloride
    —— 5-hydroxy-4',5',6',11α-tetrahydro-9H-benzo[10,9,11]-5α-estrane-3,17-dione cyclic 3-(2,2-dimethyl-1,3-propanediyl acetal) 159921-51-4 C26H40O4
    5-hydroxy-4',5',6',11α-tetrahydro-9H-benzo[10,9,11]-5α-estrane-3,17-dione cyclic 3-(2,2-dimethyl-1,3-propanediyl acetal)
    —— 5-chloro-1,3-dimethyl-N-{3-[2,2,2-trifluoro-1-(1-methyl-1H-imidazol-5-yl)ethoxy]quinoxalin-2-yl}-1H-pyrazole-4-sulfonamide 1226504-63-7 C19H17ClF3N7O3S
    5-chloro-1,3-dimethyl-N-{3-[2,2,2-trifluoro-1-(1-methyl-1H-imidazol-5-yl)ethoxy]quinoxalin-2-yl}-1H-pyrazole-4-sulfonamide
    —— 5-adamantan-1-yl-3-(5-nitro-furan-2-yl)-4,5-dihydro-isoxazole 55361-14-3 C17H20N2O4
    5-adamantan-1-yl-3-(5-nitro-furan-2-yl)-4,5-dihydro-isoxazole
    —— 5-Cyano-5-[(3aS,4R,5R,6aS)-4-formyl-5-(tetrahydro-pyran-2-yloxy)-hexahydro-pentalen-(2Z)-ylidene]-pentanoic acid methyl ester 106395-93-1 C21H29NO5
    5-Cyano-5-[(3aS,4R,5R,6aS)-4-formyl-5-(tetrahydro-pyran-2-yloxy)-hexahydro-pentalen-(2Z)-ylidene]-pentanoic acid methyl ester
    —— 5-(2-hydroxybutyl)-1,3-benzoxazol-2(3H)-one 1398496-33-7 C11H13NO3
    5-(2-hydroxybutyl)-1,3-benzoxazol-2(3H)-one
    —— 5-(2-methyl-benzylamino)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (4,4-difluorocyclohexyl)-amide 1224943-57-0 C21H23F2N5O
    5-(2-methyl-benzylamino)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (4,4-difluorocyclohexyl)-amide
    —— 5-(2-naphthyl)-2-((1S)-1-{[(3-nitrophenyl)sulfonyl]amino}-7-oxooctyl)-1H-imidazol-1-ium trifluoroacetate 891261-13-5 C2HF3O2*C27H28N4O5S
    5-(2-naphthyl)-2-((1S)-1-{[(3-nitrophenyl)sulfonyl]amino}-7-oxooctyl)-1H-imidazol-1-ium trifluoroacetate
    —— 5-(methoxycarbonyl)pentyl 3,4-di-O-benzoyl-2-O-methyl-α-L-fucopyranosyl-(1→2)-3,4,6-tri-O-acetyl-β-D-galactopyranosyl-(1→3)-4,6-di-O-acetyl-2-acetamido-2-deoxy-α-D-galactopyranoside 1393599-69-3 C52H67NO24
    5-(methoxycarbonyl)pentyl 3,4-di-O-benzoyl-2-O-methyl-α-L-fucopyranosyl-(1→2)-3,4,6-tri-O-acetyl-β-D-galactopyranosyl-(1→3)-4,6-di-O-acetyl-2-acetamido-2-deoxy-α-D-galactopyranoside
    —— 5-phenyl-penta-2,4-diynal tosylhydrazone 1246055-05-9 C18H14N2O2S
    5-phenyl-penta-2,4-diynal tosylhydrazone
    —— 5-cyanomethyl-2,6-dimethyl-pyridin-3-yl-acetonitrile 211060-92-3 C11H11N3
    5-cyanomethyl-2,6-dimethyl-pyridin-3-yl-acetonitrile
    —— 5-<3-Aza-bicyclo<3.2.2>nonyl-(3)>-1-(4-methoxyphenyl)-penten-(1)-ol-(3) 95802-16-7 C20H29NO2
    5-<3-Aza-bicyclo<3.2.2>nonyl-(3)>-1-(4-methoxyphenyl)-penten-(1)-ol-(3)
    —— 5-Hydroxy-9,10,11-trimethoxy-3-oxo-3,5,6,7-tetrahydro-benzo<3,4>cyclohepta<1,2-b>pyran 98339-00-5 C17H18O6
    5-Hydroxy-9,10,11-trimethoxy-3-oxo-3,5,6,7-tetrahydro-benzo<3,4>cyclohepta<1,2-b>pyran
    —— 5'-Aethoxy-5-oxo-3,4,3',4'-tetramethyl-2,5-dihydro-dipyrromethen-(2,2') 92648-56-1 C15H20N2O2
    5'-Aethoxy-5-oxo-3,4,3',4'-tetramethyl-2,5-dihydro-dipyrromethen-(2,2')
    —— 5-(Dimethylphosphoryl)pyridine-3-carboxylicacidhydrochloride 2402829-21-2 C8H11ClNO3P
    5-(Dimethylphosphoryl)pyridine-3-carboxylicacidhydrochloride
    —— 5-(2-(5-Chloro-2-methoxybenzamido)ethyl)-2-(4-methoxyphenyl)-benzenesulfonamide 254974-08-8 C23H23ClN2O5S
    5-(2-(5-Chloro-2-methoxybenzamido)ethyl)-2-(4-methoxyphenyl)-benzenesulfonamide
    —— 5-(4-chlorophenyl)-2,3,7-triphenyl-5H-imidazo[2,1-b][1,3]thiazine-6-carbonitrile 142532-09-0 C31H20ClN3S
    5-(4-chlorophenyl)-2,3,7-triphenyl-5H-imidazo[2,1-b][1,3]thiazine-6-carbonitrile
    —— 5-[4-(3-chloropropyl)piperazin-1-yl]-5-oxopentanoic acid 318280-49-8 C12H21ClN2O3
    5-[4-(3-chloropropyl)piperazin-1-yl]-5-oxopentanoic acid
    —— 5-chloro-2-[3-(4-chlorophenylsulfamoyl)benzoylamino]benzoic acid 870808-19-8 C20H14Cl2N2O5S
    5-chloro-2-[3-(4-chlorophenylsulfamoyl)benzoylamino]benzoic acid
    —— 5-chloro-7-(chloromethyl)-2-(1,1-dimethylethyl)-1-benzofuran 952302-35-1 C13H14Cl2O
    5-chloro-7-(chloromethyl)-2-(1,1-dimethylethyl)-1-benzofuran