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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5β-pregn-14-ene-3β,20β-diol diacetate 125354-55-4 C25H38O4
    5β-pregn-14-ene-3β,20β-diol diacetate
    —— 5-n-amyl-2-bromocyclohex-2-ene-3-ol-1-one 58016-30-1 C11H17BrO2
    5-n-amyl-2-bromocyclohex-2-ene-3-ol-1-one
    —— 5-Ethoxy-1-ethylpyrrolidin-2-one 178689-93-5 C8H15NO2
    5-Ethoxy-1-ethylpyrrolidin-2-one
    —— 5,6-diamino-N-(4,4-difluorocyclohexyl)-2-[2,2-difluoroethyl(methyl)amino]pyridine-3-carboxamide 1380649-10-4 C15H21F4N5O
    5,6-diamino-N-(4,4-difluorocyclohexyl)-2-[2,2-difluoroethyl(methyl)amino]pyridine-3-carboxamide
    —— 5-benzyloximethyl-furan-2-carboxylic acid-(β,β'-bis-diethylamino-isopropyl ester) 113795-77-0 C24H36N2O4
    5-benzyloximethyl-furan-2-carboxylic acid-(β,β'-bis-diethylamino-isopropyl ester)
    —— 5,10,15,20-tetranitro-2,3,7,8,12,13,17,18-octaethylporphyrin 96314-15-7 C36H42N8O8
    5,10,15,20-tetranitro-2,3,7,8,12,13,17,18-octaethylporphyrin
    —— 5'-deoxy-5'-[(4-methoxyphenyl)thio]isoguanosine 864737-30-4 C17H19N5O5S
    5'-deoxy-5'-[(4-methoxyphenyl)thio]isoguanosine
    —— {5-[5-(2-Trifluoromethyl-phenyl)-furan-2-yl]-tetrazol-1-yl}-acetyl chloride 97712-73-7 C14H8ClF3N4O2
    {5-[5-(2-Trifluoromethyl-phenyl)-furan-2-yl]-tetrazol-1-yl}-acetyl chloride
    —— 5-chloro-1-phenoxycarbonyl-2-(thenoyloxy)indole 255712-65-3 C20H12ClNO4S
    5-chloro-1-phenoxycarbonyl-2-(thenoyloxy)indole
    —— 5,10,15,20-tetrakis(2,6-difluorophenyl)porphyrin 104322-39-6 C44H22F8N4
    5,10,15,20-tetrakis(2,6-difluorophenyl)porphyrin
    —— 5-tert-Butyl-2-chloro-benzo[1,3,2]dioxaphosphole 2-sulfide 22921-44-4 C10H12ClO2PS
    5-tert-Butyl-2-chloro-benzo[1,3,2]dioxaphosphole 2-sulfide
    —— 5-nitro-2-(3-methylbutoxy)-1,3-benzodithiole 67855-58-7 C12H15NO3S2
    5-nitro-2-(3-methylbutoxy)-1,3-benzodithiole
    —— 5α-cholestan-3β-yl allyl ether 96124-85-5 C30H52O
    5α-cholestan-3β-yl allyl ether
    —— 5,8-dichloro-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride 860436-60-8 C11H13Cl2NO2*ClH
    5,8-dichloro-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride
    —— 5-Ethylsulfanylmethyl-1,2,3-trimethoxy-benzene 86971-35-9 C12H18O3S
    5-Ethylsulfanylmethyl-1,2,3-trimethoxy-benzene
    —— 5,10,15,20-tetra(o-methoxyphenyl)-21H,23H-porphine copper cation radical 79502-91-3 C48H36CuN4O4
    5,10,15,20-tetra(o-methoxyphenyl)-21H,23H-porphine copper cation radical
    —— 5-Butyl-2-(dimethylcarbamoylimino)-1,3,4-thiadiazolin-3-carbonsaeuremethylester 66664-39-9 C11H18N4O3S
    5-Butyl-2-(dimethylcarbamoylimino)-1,3,4-thiadiazolin-3-carbonsaeuremethylester
    —— 5-Chloro-2-(4-{(E)-2-[4-(4,6-diphenyl-[1,3,5]triazin-2-yl)-phenyl]-vinyl}-phenyl)-benzooxazole 36536-08-0 C36H23ClN4O
    5-Chloro-2-(4-{(E)-2-[4-(4,6-diphenyl-[1,3,5]triazin-2-yl)-phenyl]-vinyl}-phenyl)-benzooxazole
    —— 5-fluoro-N<sup>2</sup>-{3-[(triphenyl-λ<sup>5</sup>-phosphanylidene)-amino]-pyrazin-2-yl}benzene-1,2-diamine 1400820-29-2 C28H23FN5P
    5-fluoro-N<sup>2</sup>-{3-[(triphenyl-λ<sup>5</sup>-phosphanylidene)-amino]-pyrazin-2-yl}benzene-1,2-diamine
    —— 5-bromo-2-thienyl(2,4,6-tri-tert-butylphenyl)phosphine 473882-91-6 C22H32BrPS
    5-bromo-2-thienyl(2,4,6-tri-tert-butylphenyl)phosphine
    —— 5R,9R,13R,14S-oxycodone acetylsalicylate 956970-00-6 C9H8O4*C18H21NO4
    5R,9R,13R,14S-oxycodone acetylsalicylate
    —— 5-(Trifluoromethoxy)naphthalen-2-amine 1261869-15-1 C11H8F3NO
    5-(Trifluoromethoxy)naphthalen-2-amine
    —— 5,5'-methylenebis(2-(3-m-tolylureido)benzoic acid) 1056451-97-8 C31H28N4O6
    5,5'-methylenebis(2-(3-m-tolylureido)benzoic acid)
    —— 5,5-diethyl-1-(1-phenyl-ethyl)-barbituric acid 109092-27-5 C16H20N2O3
    5,5-diethyl-1-(1-phenyl-ethyl)-barbituric acid
    —— 5-(ethoxy-methylsulfanyl-thiophosphoryloxy)-2-phenyl-2<i>H</i>-[1,2,4]triazole-3-carboxylic acid amide 52838-44-5 C12H15N4O3PS2
    5-(ethoxy-methylsulfanyl-thiophosphoryloxy)-2-phenyl-2<i>H</i>-[1,2,4]triazole-3-carboxylic acid amide
    —— (5-isopropyl-1-methyl-4,6-dioxo-1,4,5,6-tetrahydro-[1,3,5]triazin-2-yl)-methyl-oxalamic acid ethyl ester 56611-22-4 C12H18N4O5
    (5-isopropyl-1-methyl-4,6-dioxo-1,4,5,6-tetrahydro-[1,3,5]triazin-2-yl)-methyl-oxalamic acid ethyl ester
    —— 5-(2-Hydroxymethylphenyl)-1-methyl-3-(3,4-methylendioxyphenyl)-1,2,4-triazol 40993-43-9 C17H15N3O3
    5-(2-Hydroxymethylphenyl)-1-methyl-3-(3,4-methylendioxyphenyl)-1,2,4-triazol
    —— 5-(diethylamino)pentyl 8-chlorodibenz [b, f][1,4]oxazepine-10(11H)-carboxylate, monohydrochloride 171604-35-6 C23H29ClN2O3*ClH
    5-(diethylamino)pentyl 8-chlorodibenz [b, f][1,4]oxazepine-10(11H)-carboxylate, monohydrochloride
    —— 5,7-diphenylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dithione 111281-92-6 C19H13N3S2
    5,7-diphenylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dithione
    —— (5-Methoxynaphthyl)-1-vinylsulfon 86124-70-1 C13H12O3S
    (5-Methoxynaphthyl)-1-vinylsulfon
    —— 5-chlorosalicylaldehydeglycine 90237-11-9 C9H8ClNO3
    5-chlorosalicylaldehydeglycine
    —— 5-chloro-3β-acetoxy-24.24-diphenyl-5α-choladiene-(20(22)ξ.23) 108516-76-3 C38H47ClO2
    5-chloro-3β-acetoxy-24.24-diphenyl-5α-choladiene-(20(22)ξ.23)
    —— 5,7-bis(benzyloxy)chroman-3-yl 3-methoxybenzoate 1448792-02-6 C31H28O6
    5,7-bis(benzyloxy)chroman-3-yl 3-methoxybenzoate
    —— 5-(3,5-Dioxo-4-aza-tricyclo[5.2.1.0<sup>2,6</sup>]dec-8-en-4-yl)-isophthalic acid diphenyl ester 61837-52-3 C29H21NO6
    5-(3,5-Dioxo-4-aza-tricyclo[5.2.1.0<sup>2,6</sup>]dec-8-en-4-yl)-isophthalic acid diphenyl ester
    —— 5-(o-Methoxyphenylhydrazono)-1,2-diphenylimidazol-4-on 27049-24-7 C22H18N4O2
    5-(o-Methoxyphenylhydrazono)-1,2-diphenylimidazol-4-on
    —— 5-[2-(3-methoxy-phenyl)-1-(4-methoxy-phenyl)-vinyl]-3-methyl-isoxazole 35159-64-9 C20H19NO3
    5-[2-(3-methoxy-phenyl)-1-(4-methoxy-phenyl)-vinyl]-3-methyl-isoxazole
    —— 5,10,15,20-tetrakis(2-fluorophenyl)porphyrin 27185-62-2 C44H26F4N4
    5,10,15,20-tetrakis(2-fluorophenyl)porphyrin
    —— 5-methyl-cyclohexane-1,2,3-trione-1,3-(Ε,Ε)-dioxime 27894-45-7 C7H10N2O3
    5-methyl-cyclohexane-1,2,3-trione-1,3-(Ε,Ε)-dioxime
    —— 5-[4-(6-fluoro-1H-benzimidazol-2-yl)-9H-carbazol-9-yl]-3-(4-trans-hydroxycyclohexylamino)pyridine-2-carbonitrile 1190424-93-1 C31H25FN6O
    5-[4-(6-fluoro-1H-benzimidazol-2-yl)-9H-carbazol-9-yl]-3-(4-trans-hydroxycyclohexylamino)pyridine-2-carbonitrile
    —— 5-bromo-3-(4-fluorophenyl)-6-methyl-2-[cis-4-(trifluoromethyl)cyclohexyl]pyrimidin-4(3H)-one 1093749-61-1 C18H17BrF4N2O
    5-bromo-3-(4-fluorophenyl)-6-methyl-2-[cis-4-(trifluoromethyl)cyclohexyl]pyrimidin-4(3H)-one
    —— 5-amino-1-(2-dimethylamino-ethyl)-1<i>H</i>-pyrazole-4-carboxylic acid hydrazide 90222-56-3 C8H16N6O
    5-amino-1-(2-dimethylamino-ethyl)-1<i>H</i>-pyrazole-4-carboxylic acid hydrazide
    —— 5-Amino-[1,3,4]oxadiazole-2-carboxylic acid butylamide 4970-56-3 C7H12N4O2
    5-Amino-[1,3,4]oxadiazole-2-carboxylic acid butylamide
    —— 5-bromo-nicotinic acid 2,13-dibromo-10-methoxy-1,6-dimethyl-ergolin-8-ylmethyl ester 57935-58-7 C24H24Br3N3O3
    5-bromo-nicotinic acid 2,13-dibromo-10-methoxy-1,6-dimethyl-ergolin-8-ylmethyl ester
    —— (5R,5aR,8aR,9S)-9-(2-bromo-3,4,5-trimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl 4-methylbenzoate 1449602-03-2 C30H27BrO9
    (5R,5aR,8aR,9S)-9-(2-bromo-3,4,5-trimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl 4-methylbenzoate
    —— 5'-deoxy-2',3'-isopropylidene-5'-[[4-[[(1-ethoxyethylidene)amino]oxy]butyl]methylamino]-8-adenosine 1106913-70-5 C22H35N7O5
    5'-deoxy-2',3'-isopropylidene-5'-[[4-[[(1-ethoxyethylidene)amino]oxy]butyl]methylamino]-8-adenosine
    —— (5α,17β)-3-oxo-4-aza-5-androstane-17-(ethoxycarbonyl)-carboxylate 1416955-19-5 C22H33NO5
    (5α,17β)-3-oxo-4-aza-5-androstane-17-(ethoxycarbonyl)-carboxylate
    —— 5,5'-(9-octyl-9H-carbazole-3,6-diyl)dithiophene-2-carbaldehyde 1431471-25-8 C30H29NO2S2
    5,5'-(9-octyl-9H-carbazole-3,6-diyl)dithiophene-2-carbaldehyde
    —— 5-fluorosalicylaldehydeglycine 1374669-72-3 C9H8FNO3
    5-fluorosalicylaldehydeglycine
    —— 5-benzylsulfanyl-3-oxopentanoic acid ethyl ester 158510-55-5 C14H18O3S
    5-benzylsulfanyl-3-oxopentanoic acid ethyl ester
    —— 5-(2-biphenyl-4-yl-2-oxoethoxy)-2-methyl-2H-pyrazole-3-carboxylic acid tert-butyl ester 692259-15-7 C23H24N2O4
    5-(2-biphenyl-4-yl-2-oxoethoxy)-2-methyl-2H-pyrazole-3-carboxylic acid tert-butyl ester