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中文名称 英文名称 CAS号 化学式 结构式图片
—— 5,6-dihydro-6-(4-methylphenyl)benzimidazo<1,2-c>benzo<h>quinazoline 117358-94-8 C25H19N3
5,6-dihydro-6-(4-methylphenyl)benzimidazo<1,2-c>benzo<h>quinazoline
—— 5,5-Dimethyl-4-phenylsulfanyl-3-[1-phenylsulfanyl-meth-(E)-ylidene]-dihydro-furan-2-one 129354-68-3 C19H18O2S2
5,5-Dimethyl-4-phenylsulfanyl-3-[1-phenylsulfanyl-meth-(E)-ylidene]-dihydro-furan-2-one
—— 5-Methyl-1-trimethylsilanyl-pentadec-2-yn-4-ol 91891-95-1 C19H38OSi
5-Methyl-1-trimethylsilanyl-pentadec-2-yn-4-ol
—— 5-Phenyl-1H-pyrazole-3-carboxylic acid 2-[(5-bromo-2-hydroxy-3-methylphenyl)methylene]hydrazide 899718-45-7 C18H15BrN4O2
5-Phenyl-1H-pyrazole-3-carboxylic acid 2-[(5-bromo-2-hydroxy-3-methylphenyl)methylene]hydrazide
—— 5-((E)-2-Cyano-2-ethoxycarbonyl-vinyl)-4-(2-methoxycarbonyl-ethyl)-3-methyl-1H-pyrrole-2-carboxylic acid 60024-90-0 C16H18N2O6
5-((E)-2-Cyano-2-ethoxycarbonyl-vinyl)-4-(2-methoxycarbonyl-ethyl)-3-methyl-1H-pyrrole-2-carboxylic acid
—— (5S,6R,7aS)-6-(2-Amino-4,5-dimethoxy-phenyl)-5-(4-methoxy-phenyl)-hexahydro-pyrrolizin-3-one 61350-28-5 C22H26N2O4
(5S,6R,7aS)-6-(2-Amino-4,5-dimethoxy-phenyl)-5-(4-methoxy-phenyl)-hexahydro-pyrrolizin-3-one
—— 5-(4-carbamimidoylsulfamoyl-phenylhydrazono)-1-(4-nitro-phenyl)-4-oxo-4,5-dihydro-1<i>H</i>-pyrazole-3-carboxylic acid amide 57198-77-3 C17H15N9O6S
5-(4-carbamimidoylsulfamoyl-phenylhydrazono)-1-(4-nitro-phenyl)-4-oxo-4,5-dihydro-1<i>H</i>-pyrazole-3-carboxylic acid amide
—— (5-tert-Butyl-4-methyl-2,2-bis-trifluoromethyl-2H-pyrrol-3-yl)-diethyl-amine 57221-04-2 C15H22F6N2
(5-tert-Butyl-4-methyl-2,2-bis-trifluoromethyl-2H-pyrrol-3-yl)-diethyl-amine
—— 5-amino-N-(1,4-dioxan-2-ylmethyl)-2-fluorobenzenesulfonamide 1179613-46-7 C11H15FN2O4S
5-amino-N-(1,4-dioxan-2-ylmethyl)-2-fluorobenzenesulfonamide
—— 5'-Azido-4-N-(4-monomethoxytriphenylmethyl)-5',2'-dideoxycytidine 129789-08-8 C29H28N6O4
5'-Azido-4-N-(4-monomethoxytriphenylmethyl)-5',2'-dideoxycytidine
—— 5-[[3,5-Bis(trifluoromethyl)phenyl]methoxymethyl]-5-phenylimidazolidine-2,4-dione 345579-48-8 C19H14F6N2O3
5-[[3,5-Bis(trifluoromethyl)phenyl]methoxymethyl]-5-phenylimidazolidine-2,4-dione
—— 5-Benzoyl-4,12,18-tris(benzyloxy)-19-methoxy-2-oxapentacyclo<22.2.2.1<sup>3.7</sup>.0<sup>10.15</sup>.0<sup>16.21</sup>>nonacosa-3,4,7(30),10,12,14,16,18,20,24,26,27-dodecaen 143680-77-7 C57H48O6
5-Benzoyl-4,12,18-tris(benzyloxy)-19-methoxy-2-oxapentacyclo<22.2.2.1<sup>3.7</sup>.0<sup>10.15</sup>.0<sup>16.21</sup>>nonacosa-3,4,7(30),10,12,14,16,18,20,24,26,27-dodecaen
—— 5-tetrazolyldinitromethane dipotassium salt 112472-42-1 C2N6O4*2K
5-tetrazolyldinitromethane dipotassium salt
—— 5-(1-cyclohexenyl)-pentanophenone 389607-99-2 C17H22O
5-(1-cyclohexenyl)-pentanophenone
—— 5-((3-(1H-Indazol-5-ylamino)piperidin-1-yl)methyl)-2-methylphenol 1035095-39-6 C20H24N4O
5-((3-(1H-Indazol-5-ylamino)piperidin-1-yl)methyl)-2-methylphenol
—— (5R)-5-ethyl-1-(methyl β-D-glucopyranosyluronate)-5-phenyl-2,4,6-(1H,3H,5H)-pyrimidinetrione 164669-87-8 C19H22N2O9
(5R)-5-ethyl-1-(methyl β-D-glucopyranosyluronate)-5-phenyl-2,4,6-(1H,3H,5H)-pyrimidinetrione
—— 5-amino-6,7-dihydro-2-(methylthio)-6-(1-pyrrolidinylmethyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile 1439402-96-6 C13H18N6S
5-amino-6,7-dihydro-2-(methylthio)-6-(1-pyrrolidinylmethyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile
—— 5-(3-buten-1-yl)-1,4-oxathiaspiro<4,4>nonane 117391-10-3 C11H18OS
5-(3-buten-1-yl)-1,4-oxathiaspiro<4,4>nonane
—— 5-(difluoromethyl)-2-{[(3,5-dimethoxy-4-methylbenzoyl)(3-phenylpropyl)amino]methyl}-1,3-thiazole-4-carboxylic acid 1282557-23-6 C25H26F2N2O5S
5-(difluoromethyl)-2-{[(3,5-dimethoxy-4-methylbenzoyl)(3-phenylpropyl)amino]methyl}-1,3-thiazole-4-carboxylic acid
—— 5-chloro-1-isobutyl-6-(4-methoxybenzyl)-3-methyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione 1228688-20-7 C19H22ClN3O3
5-chloro-1-isobutyl-6-(4-methoxybenzyl)-3-methyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione
—— 5'-O-[N-(3-phenylpropionyl)methionyl]-2',3'-O-isopropylidene-5-fluorouridine 80667-02-3 C26H32FN3O8S
5'-O-[N-(3-phenylpropionyl)methionyl]-2',3'-O-isopropylidene-5-fluorouridine
—— 5-[2-(Dimethylamino)ethyl-methylamino]-6-ethyl-3-(3-methylsulfonylanilino)pyrazine-2-carboxamide 1254050-54-8 C19H28N6O3S
5-[2-(Dimethylamino)ethyl-methylamino]-6-ethyl-3-(3-methylsulfonylanilino)pyrazine-2-carboxamide
—— 5-benzyloxy-2-{2-[4-(4-hydroxy-4-trifluoromethyl-piperidin-1-ylmethyl)-phenyl]-2-oxo-ethyl}-2H-pyridazin-3-one 1184945-76-3 C26H26F3N3O4
5-benzyloxy-2-{2-[4-(4-hydroxy-4-trifluoromethyl-piperidin-1-ylmethyl)-phenyl]-2-oxo-ethyl}-2H-pyridazin-3-one
—— 5-ethyl-3-(5-hydroxy-4-hydroxymethyl-6-methyl-pyridin-3-ylmethyl)-4-methyl-3<i>H</i>-thiazole-2-thione 62567-52-6 C14H18N2O2S2
5-ethyl-3-(5-hydroxy-4-hydroxymethyl-6-methyl-pyridin-3-ylmethyl)-4-methyl-3<i>H</i>-thiazole-2-thione
—— 5-(4-chlorophenyl)-N,N,9-trimethylbenzo[h][1,6]naphthyridin-2-amine 1208348-28-0 C21H18ClN3
5-(4-chlorophenyl)-N,N,9-trimethylbenzo[h][1,6]naphthyridin-2-amine
—— 5-(2,4-difluorobenzyl)-2,2-dimethylcyclopentanone 1253245-32-7 C14H16F2O
5-(2,4-difluorobenzyl)-2,2-dimethylcyclopentanone
—— 5-(2-chloro-4-methylphenyl)-3-(furan-2-yl)-1,2,4-thiadiazole 1117843-06-7 C13H9ClN2OS
5-(2-chloro-4-methylphenyl)-3-(furan-2-yl)-1,2,4-thiadiazole
—— 5-(4-[rhenium(I)tricarbonylbromide-4-methyl-2,2'-bipyridine-4'-carboxyamidyl]phenyl)-10,15,20-triphenylporphyrinatomagnesium(II) 886444-32-2 C59H37BrMgN7O4Re
5-(4-[rhenium(I)tricarbonylbromide-4-methyl-2,2'-bipyridine-4'-carboxyamidyl]phenyl)-10,15,20-triphenylporphyrinatomagnesium(II)
—— (5R)-3-cyano-5,7-dimethyl-octanoic acid 942219-50-3 C11H19NO2
(5R)-3-cyano-5,7-dimethyl-octanoic acid
—— <5R,1'S,2'R,3'S>-5-(1'-t-Butyldimethylsilyloxy-2',3'-O-isopropylidenedioxy-4'-benzyloxy)butyl-5-methoxy-3-(4-methoxybenzyl)hydantoin 129744-35-0 C32H46N2O8Si
<5R,1'S,2'R,3'S>-5-(1'-t-Butyldimethylsilyloxy-2',3'-O-isopropylidenedioxy-4'-benzyloxy)butyl-5-methoxy-3-(4-methoxybenzyl)hydantoin
—— 5-(((R)-pyrrolidin-2-yl)methoxy)-3-((6-chloropyridin-3-yl)methoxy)-2-chloropyridine 1204402-88-9 C16H17Cl2N3O2
5-(((R)-pyrrolidin-2-yl)methoxy)-3-((6-chloropyridin-3-yl)methoxy)-2-chloropyridine
—— 5-(N-β-hydroxyethyl-3-carbazolylmethyl)-2,2-dimethyl-1,3-dioxane 129356-44-1 C21H25NO3
5-(N-β-hydroxyethyl-3-carbazolylmethyl)-2,2-dimethyl-1,3-dioxane
—— 5,5'-dichloro-[5,5']bipyrimidinyl-2,4,6,2',4',6'-hexaone 56408-66-3 C8H4Cl2N4O6
5,5'-dichloro-[5,5']bipyrimidinyl-2,4,6,2',4',6'-hexaone
—— 5-(4-ethyl-phenyl)-2-methyl-thiazole-4-carboxylic acid 1007874-15-8 C13H13NO2S
5-(4-ethyl-phenyl)-2-methyl-thiazole-4-carboxylic acid
—— 5,8,11,14-Eicosatetraenoic acid, hydroperoxy-, (5Z,8Z,11Z,14Z)- 59808-33-2 C20H32O4
5,8,11,14-Eicosatetraenoic acid, hydroperoxy-, (5Z,8Z,11Z,14Z)-
—— 5''-N-(4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-undecanoyl)-1,3,2',6',2''',6'''-hexa-N-(tert-butoxycarbonyl)-5''-deoxy-neomycin 1393571-91-9 C64H98F17N7O25
5''-N-(4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoro-undecanoyl)-1,3,2',6',2''',6'''-hexa-N-(tert-butoxycarbonyl)-5''-deoxy-neomycin
—— 5-oxo-2,5-dihydro-1<i>H</i>-[1,2,4]triazole-3-carbothioic acid <i>N</i>'-<i>p</i>-tolyl-hydrazide 70380-83-5 C10H11N5OS
5-oxo-2,5-dihydro-1<i>H</i>-[1,2,4]triazole-3-carbothioic acid <i>N</i>'-<i>p</i>-tolyl-hydrazide
—— 5-Benzyl-3-benzyloxy-3,5-dimethyl-furan-2,4-dione 69687-35-0 C20H20O4
5-Benzyl-3-benzyloxy-3,5-dimethyl-furan-2,4-dione
—— 5-(1-(2-chlorophenyl)-3-oxobutyl)furan-2(5H)-one 1241388-96-4 C14H13ClO3
5-(1-(2-chlorophenyl)-3-oxobutyl)furan-2(5H)-one
—— 5-Mercapto-2-phenylimidazole-4-carboxamide 78750-96-6 C10H9N3OS
5-Mercapto-2-phenylimidazole-4-carboxamide
—— 5-benzylidene-2-(5-phenyl-1-<i>o</i>-tolyl-1<i>H</i>-[1,2,4]triazol-3-yl)-3,5-dihydro-imidazol-4-one 55899-79-1 C25H19N5O
5-benzylidene-2-(5-phenyl-1-<i>o</i>-tolyl-1<i>H</i>-[1,2,4]triazol-3-yl)-3,5-dihydro-imidazol-4-one
—— 5-oxo-8-phenethyl-2-piperazin-1-yl-5,8-dihydro-pyrido[2,3-<i>d</i>]pyrimidine-6-carboxylic acid 54785-64-7 C20H21N5O3
5-oxo-8-phenethyl-2-piperazin-1-yl-5,8-dihydro-pyrido[2,3-<i>d</i>]pyrimidine-6-carboxylic acid
—— 5-Styryl-3-ethylamino-5,6-dihydro-1,4,2-dithiazin-1,1-dioxid 57185-79-2 C13H16N2O2S2
5-Styryl-3-ethylamino-5,6-dihydro-1,4,2-dithiazin-1,1-dioxid
—— 5-(Benzo[1,3]dioxole-5-carbonyl)-6-methyl-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinolin-6-ium; iodide 58937-60-3 C19H16NO5*I
5-(Benzo[1,3]dioxole-5-carbonyl)-6-methyl-7,8-dihydro-[1,3]dioxolo[4,5-g]isoquinolin-6-ium; iodide
—— 5,5'-bis-(2-nitro-benzylidene)-2,2'-dithioxo-3,3'-<i>m</i>-phenylene-bis-imidazolidin-4-one 59361-71-6 C26H16N6O6S2
5,5'-bis-(2-nitro-benzylidene)-2,2'-dithioxo-3,3'-<i>m</i>-phenylene-bis-imidazolidin-4-one
—— 5,6,7,8,10,10-hexachloro-2-(4-nitro-phenyl)-5,8-dihydro-5,8-methano-[1,2,4]triazolo[1,2-<i>a</i>]pyridazine-1,3-dione 57964-99-5 C13H4Cl6N4O4
5,6,7,8,10,10-hexachloro-2-(4-nitro-phenyl)-5,8-dihydro-5,8-methano-[1,2,4]triazolo[1,2-<i>a</i>]pyridazine-1,3-dione
—— 5-[1-(1,5-dimethyl-hexyl)-7a-methyl-octahydro-inden-4-ylidenemethyl]-2-phenyl-6,8,9,10-tetrahydro-5<i>H</i>-[1,2,4]triazolo[1,2-<i>b</i>]phthalazine-1,3,7-trione 58581-84-3 C35H47N3O3
5-[1-(1,5-dimethyl-hexyl)-7a-methyl-octahydro-inden-4-ylidenemethyl]-2-phenyl-6,8,9,10-tetrahydro-5<i>H</i>-[1,2,4]triazolo[1,2-<i>b</i>]phthalazine-1,3,7-trione
—— 5-Phenylbenzo<b>chrysene-7,12-dione 67132-24-5 C28H16O2
5-Phenylbenzo<b>chrysene-7,12-dione
—— 5-{4-[(<i>N</i>-acetyl-sulfanilyl)-amino]-phenyl}-2,3-diphenyl-tetrazolium; chloride 124110-64-1 C27H23N6O3S*Cl
5-{4-[(<i>N</i>-acetyl-sulfanilyl)-amino]-phenyl}-2,3-diphenyl-tetrazolium; chloride
—— 5-amino-3-(2,3-methylenedioxyphenyl)-4-(4-pyrimidinyl)isoxazole 897646-93-4 C14H10N4O3
5-amino-3-(2,3-methylenedioxyphenyl)-4-(4-pyrimidinyl)isoxazole