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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Oxo-5,6-secocholest-2-en-6-onitril 53476-56-5 C27H43NO
    5-Oxo-5,6-secocholest-2-en-6-onitril
    —— 5-methoxy-3-phenylazo-indole 53330-91-9 C15H13N3O
    5-methoxy-3-phenylazo-indole
    —— 5-(1,3-diphenyl-1<i>H</i>-pyrazol-4-ylmethylene)-3-methyl-2-phenyl-3,5-dihydro-imidazol-4-one 52127-77-2 C26H20N4O
    5-(1,3-diphenyl-1<i>H</i>-pyrazol-4-ylmethylene)-3-methyl-2-phenyl-3,5-dihydro-imidazol-4-one
    —— (5-formyl-2-thienyl)triphenylphosphonium bromide 81487-49-2 Br*C23H18OPS
    (5-formyl-2-thienyl)triphenylphosphonium bromide
    —— [5-(5-bromo-furan-2-carbonyl)-1(3)<i>H</i>-benzoimidazol-2-yl]-carbamic acid 2-chloro-ethyl ester 67146-34-3 C15H11BrClN3O4
    [5-(5-bromo-furan-2-carbonyl)-1(3)<i>H</i>-benzoimidazol-2-yl]-carbamic acid 2-chloro-ethyl ester
    —— 5,5-Dideuterio-2-oxazolidon 59099-89-7 C3H5NO2
    5,5-Dideuterio-2-oxazolidon
    —— 5-Methyl-4-[1-(5-nitro-furan-2-yl)-meth-(Z)-ylidene]-2-(4-nitro-phenyl)-2,4-dihydro-pyrazol-3-one 71188-76-6 C15H10N4O6
    5-Methyl-4-[1-(5-nitro-furan-2-yl)-meth-(Z)-ylidene]-2-(4-nitro-phenyl)-2,4-dihydro-pyrazol-3-one
    —— 5,7-Dihydroxy-2,2-dimethyl-4-oxochroman-8-propionsaeure 55052-08-9 C14H16O6
    5,7-Dihydroxy-2,2-dimethyl-4-oxochroman-8-propionsaeure
    —— 5-(9-carboxy-nonyl)-1(2)<i>H</i>-pyrazole-3,4-dicarboxylic acid 55300-08-8 C15H22N2O6
    5-(9-carboxy-nonyl)-1(2)<i>H</i>-pyrazole-3,4-dicarboxylic acid
    —— 5-butyl-5-(3,4-dimethoxy-benzyl)-1-phenyl-pyrimidine-2,4,6-trione 54021-37-3 C23H26N2O5
    5-butyl-5-(3,4-dimethoxy-benzyl)-1-phenyl-pyrimidine-2,4,6-trione
    —— 5,10,5',10'-tetraacetyl-5,10,5',10'-tetrahydro-2,2'-(4-hydroxy-naphthalene-1,3-diylbisazo)-bis-phenazine 55134-56-0 C42H32N8O5
    5,10,5',10'-tetraacetyl-5,10,5',10'-tetrahydro-2,2'-(4-hydroxy-naphthalene-1,3-diylbisazo)-bis-phenazine
    —— 5-(3-nitro-phenyl)-1,3-diphenyl-1<i>H</i>-benzo[<i>f</i>][1,2,4]triazepine 53434-64-3 C26H18N4O2
    5-(3-nitro-phenyl)-1,3-diphenyl-1<i>H</i>-benzo[<i>f</i>][1,2,4]triazepine
    —— 5-fluoro-1-[1-(2-phenyl-tetrahydro-pyran-4-yl)-piperidin-4-yl]-1,3-dihydro-benzoimidazol-2-one 1190840-58-4 C23H26FN3O2
    5-fluoro-1-[1-(2-phenyl-tetrahydro-pyran-4-yl)-piperidin-4-yl]-1,3-dihydro-benzoimidazol-2-one
    —— 5,7-dinitro-N-propan-2-yl-1H-indol-4-amine 1103262-08-3 C11H12N4O4
    5,7-dinitro-N-propan-2-yl-1H-indol-4-amine
    —— 5-methyl-3-isopropylaminocyclohex-2-enone 1158819-65-8 C10H17NO
    5-methyl-3-isopropylaminocyclohex-2-enone
    —— 5,7-dimethyl-2-(thiophen-2-yl)-N-(2,4,4-trimethylpentan-2-yl)imidazo[1,2-a]pyrimidin-3-amine 1132764-31-8 C20H28N4S
    5,7-dimethyl-2-(thiophen-2-yl)-N-(2,4,4-trimethylpentan-2-yl)imidazo[1,2-a]pyrimidin-3-amine
    —— 5-(1-benzyl-5-cyclopropyl-1H-1,2,3-triazol-4-yl)-N-(2-chlorobenzyl)-1H-indazol-3-amine 1093304-75-6 C26H23ClN6
    5-(1-benzyl-5-cyclopropyl-1H-1,2,3-triazol-4-yl)-N-(2-chlorobenzyl)-1H-indazol-3-amine
    —— 5-Hexen-1-amine, 5,6,6-trifluoro-, monohydrochloride 145342-55-8 C6H10F3N*ClH
    5-Hexen-1-amine, 5,6,6-trifluoro-, monohydrochloride
    —— 5-(2,4-dimethyl-1,3-thiazol-5-yl)-3-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)-1H-indole-7-carboxamide 1065179-11-4 C19H21N3O3S2
    5-(2,4-dimethyl-1,3-thiazol-5-yl)-3-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)-1H-indole-7-carboxamide
    —— 5-({[2-chloro-5-(trifluoromethyl)phenyl]oxy}methyl)-1,3,4-thiadiazol-2-amine 1052695-67-6 C10H7ClF3N3OS
    5-({[2-chloro-5-(trifluoromethyl)phenyl]oxy}methyl)-1,3,4-thiadiazol-2-amine
    —— 5-butyl-1,6-dimethyl-3-phenyl-1<i>H</i>-pyrimidine-2,4-dione 93537-90-7 C16H20N2O2
    5-butyl-1,6-dimethyl-3-phenyl-1<i>H</i>-pyrimidine-2,4-dione
    —— 5-Acenaphthyleneacetic acid, I+/--amino-1,2-dihydro- 1336903-51-5 C14H13NO2
    5-Acenaphthyleneacetic acid, I+/--amino-1,2-dihydro-
    —— 5-cyclohexylamino-1-ethyl-5-methylbarbituric acid 569336-82-9 C13H21N3O3
    5-cyclohexylamino-1-ethyl-5-methylbarbituric acid
    —— (5aS,6R)-6-Ethynyl-6-hydroxy-5a-methyl-2,3,3b,4,5,5a,6,7,8,8a,8b,9,10,11-tetradecahydro-indeno[5,4-e]azulen-1-one 23760-19-2 C20H26O2
    (5aS,6R)-6-Ethynyl-6-hydroxy-5a-methyl-2,3,3b,4,5,5a,6,7,8,8a,8b,9,10,11-tetradecahydro-indeno[5,4-e]azulen-1-one
    —— 5-[4-(3-chloro-4-methoxybenzylamino)-6-ethylthieno[2,3-d]pyrimidin-2-yl]valeric acid, ethanolamine salt 226411-31-0 C2H7NO*C21H24ClN3O3S
    5-[4-(3-chloro-4-methoxybenzylamino)-6-ethylthieno[2,3-d]pyrimidin-2-yl]valeric acid, ethanolamine salt
    —— 5-[[4-[(2-Chlorophenoxy)methyl]-5-iodotriazol-1-yl]methyl]-2-methylpyrimidin-4-amine 1428140-63-9 C15H14ClIN6O
    5-[[4-[(2-Chlorophenoxy)methyl]-5-iodotriazol-1-yl]methyl]-2-methylpyrimidin-4-amine
    —— 5-bromo-2-(4-iodophenyl)-3-(4-methoxyphenyl)-2H-benzo[g]indazole 1432465-13-8 C24H16BrIN2O
    5-bromo-2-(4-iodophenyl)-3-(4-methoxyphenyl)-2H-benzo[g]indazole
    —— 5,5'-dibutoxy-2,2'-(6-methyl-pyrimidine-2,4-diyl)-bis-phenol 2915-34-6 C25H30N2O4
    5,5'-dibutoxy-2,2'-(6-methyl-pyrimidine-2,4-diyl)-bis-phenol
    —— 5-((S)-2-[tert-butoxycarbonylamino]-3-phenylpropyl)-3H-1,2,3-triazole-4-carboxylic acid benzyl ester 1185885-30-6 C24H28N4O4
    5-((S)-2-[tert-butoxycarbonylamino]-3-phenylpropyl)-3H-1,2,3-triazole-4-carboxylic acid benzyl ester
    —— 5-hexyl-5-thiophen-2-yl-imidazolidine-2,4-dione 93428-84-3 C13H18N2O2S
    5-hexyl-5-thiophen-2-yl-imidazolidine-2,4-dione
    —— 5-(4-Thiocarbamoyl-phenyl)-2-(toluene-4-sulfonylamino)-pentanoic acid phenylamide 83101-57-9 C25H27N3O3S2
    5-(4-Thiocarbamoyl-phenyl)-2-(toluene-4-sulfonylamino)-pentanoic acid phenylamide
    —— 5-(4-Chloro-benzyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid ethyl ester 86770-49-2 C16H18ClNO2
    5-(4-Chloro-benzyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid ethyl ester
    —— 5-[1-(3,5-Dimethoxy-phenyl)-meth-(Z)-ylidene]-1-phenyl-3-(4-pyridin-2-yl-butyl)-2-thioxo-dihydro-pyrimidine-4,6-dione 78451-20-4 C28H27N3O4S
    5-[1-(3,5-Dimethoxy-phenyl)-meth-(Z)-ylidene]-1-phenyl-3-(4-pyridin-2-yl-butyl)-2-thioxo-dihydro-pyrimidine-4,6-dione
    —— 5-(6-Pentyloxy-pyridin-3-yl)-thiazolidine-2,4-dione 82172-94-9 C13H16N2O3S
    5-(6-Pentyloxy-pyridin-3-yl)-thiazolidine-2,4-dione
    —— 5-bromo-2-iodophenylactetyl chloride 1055901-16-0 C8H5BrClIO
    5-bromo-2-iodophenylactetyl chloride
    —— 5-bromo-3-(4-chlorophenyl)-2-(4-iodophenyl)-2H-benzo[g]indazole 1432465-16-1 C23H13BrClIN2
    5-bromo-3-(4-chlorophenyl)-2-(4-iodophenyl)-2H-benzo[g]indazole
    —— 5-biphenyl-4-yl-2,3-diphenyl-pyrazine 40208-70-6 C28H20N2
    5-biphenyl-4-yl-2,3-diphenyl-pyrazine
    —— 5,6-bis-(4-methoxy-phenyl)-imidazo[2,1-b]thiazole-2,3-dione 2-[(4-bromo-phenyl)-hydrazone] 39908-58-2 C25H19BrN4O3S
    5,6-bis-(4-methoxy-phenyl)-imidazo[2,1-b]thiazole-2,3-dione 2-[(4-bromo-phenyl)-hydrazone]
    —— 5-hydroxyimino-3,4,6-trimethyl-heptanoic acid 102450-98-6 C10H19NO3
    5-hydroxyimino-3,4,6-trimethyl-heptanoic acid
    —— 5-[5-(3-methyl-2-{5-[1-(oxetan3-yl)-1H-pyrazol-4-yl]-1,2,4-oxadiazol-3-yl}butan-2-yl)pyridin-2-yl]pyrimidin-2-amine 1369483-30-6 C22H24N8O2
    5-[5-(3-methyl-2-{5-[1-(oxetan3-yl)-1H-pyrazol-4-yl]-1,2,4-oxadiazol-3-yl}butan-2-yl)pyridin-2-yl]pyrimidin-2-amine
    —— 5-[1-Hydroxy-meth-(Z)-ylidene]-1-phenyl-pyrimidine-2,4,6-trione 70450-69-0 C11H8N2O4
    5-[1-Hydroxy-meth-(Z)-ylidene]-1-phenyl-pyrimidine-2,4,6-trione
    —— {5-[6-chloro-7-fluoro-2-methyl-1-(1-propyl-1H-pyrazol-4-yl)-1H-indol-3-ylsulfanyl]-2-trifluoromethyl-phenyl}-acetic acid 1359983-45-1 C24H20ClF4N3O2S
    {5-[6-chloro-7-fluoro-2-methyl-1-(1-propyl-1H-pyrazol-4-yl)-1H-indol-3-ylsulfanyl]-2-trifluoromethyl-phenyl}-acetic acid
    —— 5-[7-chloro-2,3-bis(ethylamino)quinoxalin-6-yl]pent-4-yn-2-ol 1372142-46-5 C17H21ClN4O
    5-[7-chloro-2,3-bis(ethylamino)quinoxalin-6-yl]pent-4-yn-2-ol
    —— 5-chloro-3-methyl-N-{4-[4-(2-oxo-2,3-dihydro-1H-benzimidazol-4-yl)piperazin-1-yl]-butyl}-1-benzothiophene-2-sulphonamide 1365038-29-4 C24H28ClN5O3S2
    5-chloro-3-methyl-N-{4-[4-(2-oxo-2,3-dihydro-1H-benzimidazol-4-yl)piperazin-1-yl]-butyl}-1-benzothiophene-2-sulphonamide
    —— 5-[(2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl]-N-(2-methanesulfonamidoethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide 1364889-36-0 C20H22F2N6O3S
    5-[(2R,4S)-4-fluoro-2-(3-fluorophenyl)pyrrolidin-1-yl]-N-(2-methanesulfonamidoethyl)pyrazolo[1,5-a]pyrimidine-3-carboxamide
    —— 5-(2-chlorophenyl)-1-(4-nitrophenyl)-3-phenyl-1,2,4-triazole 117594-48-6 C20H13ClN4O2
    5-(2-chlorophenyl)-1-(4-nitrophenyl)-3-phenyl-1,2,4-triazole
    —— 5-(2,2-Dimethyl-[1,3]dioxolan-4-yl)-4,5-dihydro-isoxazole-3-carboxylic acid 83967-87-7 C9H13NO5
    5-(2,2-Dimethyl-[1,3]dioxolan-4-yl)-4,5-dihydro-isoxazole-3-carboxylic acid
    —— 5-(2-amino-8-fluoro-[1,2,4]triazolo[1,5-a]pyridin-6-yl)-N-isopropylpyridine-3-sulfonamide 1159825-16-7 C14H15FN6O2S
    5-(2-amino-8-fluoro-[1,2,4]triazolo[1,5-a]pyridin-6-yl)-N-isopropylpyridine-3-sulfonamide
    —— 5-bromo-1-(2-nitro-benzenesulfonyl)-2-thiophen-2-yl-1,2,3,4-tetrahydro-quinoline 957212-24-7 C19H15BrN2O4S2
    5-bromo-1-(2-nitro-benzenesulfonyl)-2-thiophen-2-yl-1,2,3,4-tetrahydro-quinoline
    —— 5-(5,5-Dimethyl-2-thioxo-2λ<sup>5</sup>-[1,3,2]dioxaphosphinan-2-yloxy)-4-methoxy-2-methyl-2H-pyridazin-3-one 76105-49-2 C11H17N2O5PS
    5-(5,5-Dimethyl-2-thioxo-2λ<sup>5</sup>-[1,3,2]dioxaphosphinan-2-yloxy)-4-methoxy-2-methyl-2H-pyridazin-3-one