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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-bromo-3-(5-cyclopropyl-1-methyl-1H-pyrazol-3-ylamino)-1-methylpyridine-2(1H)-one 1433852-86-8 C13H15BrN4O
    5-bromo-3-(5-cyclopropyl-1-methyl-1H-pyrazol-3-ylamino)-1-methylpyridine-2(1H)-one
    —— 5-acetyl-5-methyl-hept-3t-ene-2,6-dione 99173-05-4 C10H14O3
    5-acetyl-5-methyl-hept-3t-ene-2,6-dione
    —— 5-Brom-6-desoxy-1,2;5,6-di-O-isopropyliden-β-L-idofuranose 82893-16-1 C12H19BrO5
    5-Brom-6-desoxy-1,2;5,6-di-O-isopropyliden-β-L-idofuranose
    —— 5-chloro-3-nitro-4-(4-(1-(pyridin-4-yl)ethyl)piperazin-1-yl)pyridin-2-amine 942950-17-6 C16H19ClN6O2
    5-chloro-3-nitro-4-(4-(1-(pyridin-4-yl)ethyl)piperazin-1-yl)pyridin-2-amine
    —— 5,13,21-tri-tert-butyl-8,16,24-trimethyl<2.2.2>metacyclophane 119877-91-7 C39H54
    5,13,21-tri-tert-butyl-8,16,24-trimethyl<2.2.2>metacyclophane
    —— 5-ethyl-2-methyl-4-oxo-4,5-dihydro-furo[3,2-<i>c</i>]pyridine-3-carboxylic acid ethyl ester 53255-23-5 C13H15NO4
    5-ethyl-2-methyl-4-oxo-4,5-dihydro-furo[3,2-<i>c</i>]pyridine-3-carboxylic acid ethyl ester
    —— 5<i>c</i>-benzyloxymethyl-(4a<i>r</i>,7a<i>c</i>)-hexahydro-cyclopenta[<i>e</i>][1,2]oxazin-3-one 60247-76-9 C15H19NO3
    5<i>c</i>-benzyloxymethyl-(4a<i>r</i>,7a<i>c</i>)-hexahydro-cyclopenta[<i>e</i>][1,2]oxazin-3-one
    —— 5-Benzoyl-6-imino-2,3-dioxo-2,3,5,6-tetrahydro-pyrazolo[5,1-b]thiazole-7-carboxylic acid ethyl ester 84095-55-6 C15H11N3O5S
    5-Benzoyl-6-imino-2,3-dioxo-2,3,5,6-tetrahydro-pyrazolo[5,1-b]thiazole-7-carboxylic acid ethyl ester
    —— 5,6,6,7,7,7-Hexafluoro-5-(trifluoromethyl)-1,3-heptadiene 261503-75-7 C8H5F9
    5,6,6,7,7,7-Hexafluoro-5-(trifluoromethyl)-1,3-heptadiene
    —— 5-Chloro-I+/--hydroxy-I+/--methyl-2-thiophenepropanoic acid 104483-07-0 C8H9ClO3S
    5-Chloro-I+/--hydroxy-I+/--methyl-2-thiophenepropanoic acid
    —— 5-[(1R)-1-Amino-2-hydroxy-1-methylethyl]-4-hydroxy-2-(trifluoromethyl)benzoic acid 1213092-52-4 C11H12F3NO4
    5-[(1R)-1-Amino-2-hydroxy-1-methylethyl]-4-hydroxy-2-(trifluoromethyl)benzoic acid
    —— 5-[2-[2,6-Dihydroxy-3-[2-[4-[(5-nitro-2-sulfophenyl)amino]phenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-1-[2-[4-[(3-nitro-2-sulfophenyl)amino]phenyl]diazenyl]-2,7-naphthalenedisulfonic acid 1185738-91-3 C40H28N10O19S4
    5-[2-[2,6-Dihydroxy-3-[2-[4-[(5-nitro-2-sulfophenyl)amino]phenyl]diazenyl]phenyl]diazenyl]-4-hydroxy-1-[2-[4-[(3-nitro-2-sulfophenyl)amino]phenyl]diazenyl]-2,7-naphthalenedisulfonic acid
    —— 5-Bromo-7-fluoro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione 34717-08-3 C12H4BrFO3
    5-Bromo-7-fluoro-1H,3H-naphtho[1,8-cd]pyran-1,3-dione
    —— 5-Hydroxy-pyridine-2,3,4-tricarboxylic acid triethyl ester 68208-13-9 C14H17NO7
    5-Hydroxy-pyridine-2,3,4-tricarboxylic acid triethyl ester
    —— (-)-5,8-dimethoxy-2-<(4R,5R)-2-methyl-4,5-bis(dimethylcarbamoyl)-1,3-dioxolan-2-yl>-3,4-dihydronaphthalene 97424-30-1 C22H30N2O6
    (-)-5,8-dimethoxy-2-<(4R,5R)-2-methyl-4,5-bis(dimethylcarbamoyl)-1,3-dioxolan-2-yl>-3,4-dihydronaphthalene
    —— 5-(2-(trimethylsilyl)ethynyl)chromone 1446428-47-2 C14H14O2Si
    5-(2-(trimethylsilyl)ethynyl)chromone
    —— 5-ethyl-4,5-dimethyl-3-(1-phenylhydrazono-ethyl)-5<i>H</i>-furan-2-one 54010-60-5 C16H20N2O2
    5-ethyl-4,5-dimethyl-3-(1-phenylhydrazono-ethyl)-5<i>H</i>-furan-2-one
    —— 5-nitro-2-methyl-indole-1-carboxylic acid prop-2-ynylamide 596793-10-1 C13H11N3O3
    5-nitro-2-methyl-indole-1-carboxylic acid prop-2-ynylamide
    —— 5-chloro-1-(m-chlorophenyl)-2-(piperidin-1-yl)-1H-benzo[d]imidazole 1261527-72-3 C18H17Cl2N3
    5-chloro-1-(m-chlorophenyl)-2-(piperidin-1-yl)-1H-benzo[d]imidazole
    —— 5-(hydrazinecarbonyl)-N-propylthiophene-2-carboxamide 935889-03-5 C9H13N3O2S
    5-(hydrazinecarbonyl)-N-propylthiophene-2-carboxamide
    —— 5-amino-4-cyano-2-methyl-thiophene-3-carboxylic acid anilide 52099-63-5 C13H11N3OS
    5-amino-4-cyano-2-methyl-thiophene-3-carboxylic acid anilide
    —— 5-azido-1,1,1,9,9,9-hexafluoro-3,7-dioxa-2,8-bis(trifluoromethyl)nonane 1262207-11-3 C9H7F12N3O2
    5-azido-1,1,1,9,9,9-hexafluoro-3,7-dioxa-2,8-bis(trifluoromethyl)nonane
    —— 5-(1,3-dioxolan-2-yl)-3-mesyloxypentyl benzoate 113272-97-2 C16H22O7S
    5-(1,3-dioxolan-2-yl)-3-mesyloxypentyl benzoate
    —— 5-chloro-2-phenyl-3-vinylisoindolin-1-one 1351766-02-3 C16H12ClNO
    5-chloro-2-phenyl-3-vinylisoindolin-1-one
    —— 5-benzhydryl-2-methyl-2-phenyl-[1,3]oxathiolane 112152-51-9 C23H22OS
    5-benzhydryl-2-methyl-2-phenyl-[1,3]oxathiolane
    —— (5-trifluoromethylpyridin-2-yl)-thiourea 329794-00-5 C7H6F3N3S
    (5-trifluoromethylpyridin-2-yl)-thiourea
    —— 5,5'-di-tert-butyl-3,3'-dimethoxy-2,2'-biphenylol 2537-86-2 C22H30O4
    5,5'-di-tert-butyl-3,3'-dimethoxy-2,2'-biphenylol
    —— 5-(4-Chloro-benzoyl)-6-imino-2,3-dioxo-2,3,5,6-tetrahydro-pyrazolo[5,1-b]thiazole-7-carboxylic acid ethyl ester 84095-57-8 C15H10ClN3O5S
    5-(4-Chloro-benzoyl)-6-imino-2,3-dioxo-2,3,5,6-tetrahydro-pyrazolo[5,1-b]thiazole-7-carboxylic acid ethyl ester
    —— 5-Amino-2-(2-aminopropyl)-3-bromophenol 477514-56-0 C9H13BrN2O
    5-Amino-2-(2-aminopropyl)-3-bromophenol
    —— 5-Amino-3-(1-hydroxyethyl)-6-methyl-2(1H)-pyridinone 34610-82-7 C8H12N2O2
    5-Amino-3-(1-hydroxyethyl)-6-methyl-2(1H)-pyridinone
    —— 5-Heptyl[1,3]dithiolo[4,5-d]-1,3-dithiole-2-thione 202126-52-1 C11H16S5
    5-Heptyl[1,3]dithiolo[4,5-d]-1,3-dithiole-2-thione
    —— 5-Chloro-N-{[1-(dimethylamino)cyclohexyl]methyl}thiophene-2-carboxamide 2417942-45-9 C14H21ClN2OS
    5-Chloro-N-{[1-(dimethylamino)cyclohexyl]methyl}thiophene-2-carboxamide
    —— 5-(6-tert-butoxycarbonylamino-2-methylpyridin-3-ylmethyl)malonic acid monoethyl ester 305329-59-3 C17H24N2O6
    5-(6-tert-butoxycarbonylamino-2-methylpyridin-3-ylmethyl)malonic acid monoethyl ester
    —— 5-methyl-2-phenyl-3-vinylisoindolin-1-one 1351765-90-6 C17H15NO
    5-methyl-2-phenyl-3-vinylisoindolin-1-one
    —— 5-[(tert-butyldimethylsilanoyloxy)methyl]-2-methoxyaniline 1254102-43-6 C14H25NO2Si
    5-[(tert-butyldimethylsilanoyloxy)methyl]-2-methoxyaniline
    —— 5,13,21,29-tetra(2-propenyl)-8,16,24,32-tetramethyl<2.2.2.2>metacyclophane 119878-05-6 C44H48
    5,13,21,29-tetra(2-propenyl)-8,16,24,32-tetramethyl<2.2.2.2>metacyclophane
    —— 5-butyl-1-[[2'-[[N-(2-chlorotrityl)]tetrazol-5-yl]biphenyl-4-yl]methyl]imidazole 1084949-66-5 C40H35ClN6
    5-butyl-1-[[2'-[[N-(2-chlorotrityl)]tetrazol-5-yl]biphenyl-4-yl]methyl]imidazole
    —— 5,9,9-tris(triphenylphosphine)-6,9-carbiridadecaborane(14) 119251-71-7 C55H56B8IrP3
    5,9,9-tris(triphenylphosphine)-6,9-carbiridadecaborane(14)
    —— 5-(4-methoxybenzyl)-3-phenyl-1,2,4-oxadiazole 708284-48-4 C16H14N2O2
    5-(4-methoxybenzyl)-3-phenyl-1,2,4-oxadiazole
    —— 5,6-Dimethylbicyclo<2.1.1>hexan 41978-79-4 C8H14
    5,6-Dimethylbicyclo<2.1.1>hexan
    —— 5-Chloro-N-[5-chloro-4-(4-chloro-benzyl)-2-methyl-phenyl]-2-hydroxy-3-iodo-benzamide 50274-43-6 C21H15Cl3INO2
    5-Chloro-N-[5-chloro-4-(4-chloro-benzyl)-2-methyl-phenyl]-2-hydroxy-3-iodo-benzamide
    —— 5-tert-butyl-3-(trifluoromethyl)phthalamide 1448009-70-8 C13H15F3N2O2
    5-tert-butyl-3-(trifluoromethyl)phthalamide
    —— 5'-O-Trityl-thymidylyl-(3'-5')-3'-O-acetyl-thymidin 37668-78-3 C41H43N4O13P
    5'-O-Trityl-thymidylyl-(3'-5')-3'-O-acetyl-thymidin
    —— 5-butyl-7-(2-methyl-1-propenylidene)tridecan-5-ol 1152306-92-7 C21H40O
    5-butyl-7-(2-methyl-1-propenylidene)tridecan-5-ol
    —— 5-fluoro-2-{1-[6-(pyridin-3-yloxy)-pyrimidin-4-yl]-piperidin-4yloxy}-pyrimidin-4-ylamine 1033833-90-7 C18H18FN7O2
    5-fluoro-2-{1-[6-(pyridin-3-yloxy)-pyrimidin-4-yl]-piperidin-4yloxy}-pyrimidin-4-ylamine
    —— (5Z,11Z,13E)-15-(tert-Butyl-diphenyl-silanyloxy)-2,9,9-tris-methoxycarbonyl-6,14-dimethyl-pentadeca-5,11,13-trienoic acid methyl ester 151805-98-0 C40H54O9Si
    (5Z,11Z,13E)-15-(tert-Butyl-diphenyl-silanyloxy)-2,9,9-tris-methoxycarbonyl-6,14-dimethyl-pentadeca-5,11,13-trienoic acid methyl ester
    —— 5-methoxy-pyridine-2-carboxylic acid [3-((S)-2-amino-1,4-dimethyl-6-oxo-1,4,5,6-tetrahydro-pyrimidin-4-yl)phenyl]amide formate 1254196-87-6 CH2O2*C19H21N5O3
    5-methoxy-pyridine-2-carboxylic acid [3-((S)-2-amino-1,4-dimethyl-6-oxo-1,4,5,6-tetrahydro-pyrimidin-4-yl)phenyl]amide formate
    —— 5-Hydroxy-3,5-diphenyl-1-(3-phenylpropyl)pyrrol-2-one 1526987-49-4 C25H23NO2
    5-Hydroxy-3,5-diphenyl-1-(3-phenylpropyl)pyrrol-2-one
    —— 5-(benzylamino)-4-thia-6-azaspiro[2.4]hept-5-en-7-one 111504-35-9 C12H12N2OS
    5-(benzylamino)-4-thia-6-azaspiro[2.4]hept-5-en-7-one
    —— 5-Amino-2-butylamino-benzoic acid; hydrochloride 83909-30-2 C11H16N2O2*2ClH
    5-Amino-2-butylamino-benzoic acid; hydrochloride