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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,6-Diaminopyrimidin-4-carboxamid 30835-20-2 C5H7N5O
    5,6-Diaminopyrimidin-4-carboxamid
    —— 5-(dimethylsulfamoyl)-2-morpholino-benzoic acid 790271-10-2 C13H18N2O5S
    5-(dimethylsulfamoyl)-2-morpholino-benzoic acid
    —— 5,5'-(3-phenyl-1H-indole-2,5-diyl)bis(1,3,4-oxadiazole-2(3H)-thione) 132371-87-0 C18H11N5O2S2
    5,5'-(3-phenyl-1H-indole-2,5-diyl)bis(1,3,4-oxadiazole-2(3H)-thione)
    —— (5-{5-[1-(3-bromobenzyl)-1H-1,2,3-triazol-4-yl]pyridin-3-yl}-2H-tetrazol-2-yl)acetic acid 1213234-80-0 C17H13BrN8O2
    (5-{5-[1-(3-bromobenzyl)-1H-1,2,3-triazol-4-yl]pyridin-3-yl}-2H-tetrazol-2-yl)acetic acid
    —— 5-[[4-(1,3-Benzoxazol-2-yl)phenoxy]methyl]-3-(morpholin-4-ylmethyl)-1,3,4-oxadiazole-2-thione 100476-64-0 C21H20N4O4S
    5-[[4-(1,3-Benzoxazol-2-yl)phenoxy]methyl]-3-(morpholin-4-ylmethyl)-1,3,4-oxadiazole-2-thione
    —— 5-Methyl-2-(3-methyl-but-2-enyl)-hex-4-enoic acid 3-phenoxy-benzyl ester 105986-07-0 C25H30O3
    5-Methyl-2-(3-methyl-but-2-enyl)-hex-4-enoic acid 3-phenoxy-benzyl ester
    —— 5-(4-(tert-butyl)phenyl)-2,2-dimethyl-4H-benzo[d][1,3]oxathiin-4-one 1590352-30-9 C20H22O2S
    5-(4-(tert-butyl)phenyl)-2,2-dimethyl-4H-benzo[d][1,3]oxathiin-4-one
    —— 5-Cyano-1-methyl-4-α-pyridyl-2.4.5-tri-p-tolyl-Δ<sup>2</sup>-imidazolin 67921-90-8 C31H28N4
    5-Cyano-1-methyl-4-α-pyridyl-2.4.5-tri-p-tolyl-Δ<sup>2</sup>-imidazolin
    —— 5,6-Dimethoxy-2-methyl-3-p-chlorbenzoylindol-1-yl-essigsaeure 26296-60-6 C20H18ClNO5
    5,6-Dimethoxy-2-methyl-3-p-chlorbenzoylindol-1-yl-essigsaeure
    —— 5-(2-methylsulfanyl-2-phenyl-vinyl)-2,4-diphenyl-isothiazolium; triiodide 32783-49-6 C24H20NS2*I3
    5-(2-methylsulfanyl-2-phenyl-vinyl)-2,4-diphenyl-isothiazolium; triiodide
    —— 5-(benzyloxy)-1-(dimethyl(phenyl)silyl)pentan-1-one 1453470-21-7 C20H26O2Si
    5-(benzyloxy)-1-(dimethyl(phenyl)silyl)pentan-1-one
    —— 5-deoxy-3-C-(methoxycarbonyl)-2,3-O-isopropylidene-D-arabinose diethyl dithioacetal 914986-84-8 C14H26O5S2
    5-deoxy-3-C-(methoxycarbonyl)-2,3-O-isopropylidene-D-arabinose diethyl dithioacetal
    —— 5,5-Bis((2-methyl-4-pyridinyl)methyl)-5H-indeno-[1,2-b]pyridine 160588-72-7 C26H23N3
    5,5-Bis((2-methyl-4-pyridinyl)methyl)-5H-indeno-[1,2-b]pyridine
    —— 5-Hex-5-ynyloxy-3-p-tolyl-[1,2,4]triazine-6-carboxylic acid hex-5-ynyl ester 126542-73-2 C23H25N3O3
    5-Hex-5-ynyloxy-3-p-tolyl-[1,2,4]triazine-6-carboxylic acid hex-5-ynyl ester
    —— 5-(4-Methoxyphenyl)-1-octyl-4-phenyltriazole 1144506-39-7 C23H29N3O
    5-(4-Methoxyphenyl)-1-octyl-4-phenyltriazole
    —— 5-(4-acetylphenyl)-2,2-dimethyl-4H-benzo[d][1,3]oxathiin-4-one 1590352-36-5 C18H16O3S
    5-(4-acetylphenyl)-2,2-dimethyl-4H-benzo[d][1,3]oxathiin-4-one
    —— 5-benzyloxy-1-chloromethyl-7-[2-(9H-fluoren-9-ylmethoxycarbonylamino)acetylamino]-1,2-dihydrobenzo[e]indole-3-carboxylic acid tert-butyl ester 439599-66-3 C42H40ClN3O6
    5-benzyloxy-1-chloromethyl-7-[2-(9H-fluoren-9-ylmethoxycarbonylamino)acetylamino]-1,2-dihydrobenzo[e]indole-3-carboxylic acid tert-butyl ester
    —— [5-chloro-2-(2,2-dimethylcyclopropyl)phenyl]methylamine 1201761-75-2 C12H16ClN
    [5-chloro-2-(2,2-dimethylcyclopropyl)phenyl]methylamine
    —— 5-azatricyclo<4.3.1.0<sup>3,8</sup>>dec-4-ene, 5-azaprotoadamant-4-ene 128398-40-3 C9H13N
    5-azatricyclo<4.3.1.0<sup>3,8</sup>>dec-4-ene, 5-azaprotoadamant-4-ene
    —— 5-Benzylidene-6-methyl-4,5-dihydropyridazine-3(2H)-thione 141722-39-6 C12H12N2S
    5-Benzylidene-6-methyl-4,5-dihydropyridazine-3(2H)-thione
    —— 5-bromo-N-(1-(5-ethylpyrimidin-2-yl)piperidin-4-yl)-3-nitro pyridin-2-amine 1392137-65-3 C16H19BrN6O2
    5-bromo-N-(1-(5-ethylpyrimidin-2-yl)piperidin-4-yl)-3-nitro pyridin-2-amine
    —— 5α-Cholesten-(8)-on-(7) 25904-30-7 C27H44O
    5α-Cholesten-(8)-on-(7)
    —— 5-((4-nitrophenyl)sulfonyl)-3-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine 1491165-07-1 C18H16N4O4S
    5-((4-nitrophenyl)sulfonyl)-3-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine
    —— 5-(2-bromoethyl)-2-(tert-butyldimethylsilyl)-1-(N,N-dimethylsulfamoyl)imidazole 250578-28-0 C13H26BrN3O2SSi
    5-(2-bromoethyl)-2-(tert-butyldimethylsilyl)-1-(N,N-dimethylsulfamoyl)imidazole
    —— 5-amino-3-(3-methoxyphenyl)-4-(4-pyrimidinyl)isoxazole 897646-61-6 C14H12N4O2
    5-amino-3-(3-methoxyphenyl)-4-(4-pyrimidinyl)isoxazole
    —— 5-bromo-3-(3-carboxypropyl)-1H-indole-2-carboxylic acid 195372-54-4 C13H12BrNO4
    5-bromo-3-(3-carboxypropyl)-1H-indole-2-carboxylic acid
    —— 5,6,7,8-Tetrahydro-3-(2-pyridyl)-1,2,4-benzotriazin 30091-80-6 C12H12N4
    5,6,7,8-Tetrahydro-3-(2-pyridyl)-1,2,4-benzotriazin
    —— 5-propyl-thiophene-3-carboxylic acid (1H-[1,2,4]triazol-3-yl)-amide 1185853-16-0 C10H12N4OS
    5-propyl-thiophene-3-carboxylic acid (1H-[1,2,4]triazol-3-yl)-amide
    —— 5-methyl-2-(3-methylbut-2-en-1-yl)hex-4-enenitrile 189640-38-8 C12H19N
    5-methyl-2-(3-methylbut-2-en-1-yl)hex-4-enenitrile
    —— 5-(4-chloro-anilino)-3-phenyl-[1,2,3,4]oxatriazolium betaine 67907-67-9 C13H9ClN4O
    5-(4-chloro-anilino)-3-phenyl-[1,2,3,4]oxatriazolium betaine
    —— (5-Methoxy-1-methoxymethoxy-naphthalen-2-yl)-trimethyl-silane 137345-94-9 C16H22O3Si
    (5-Methoxy-1-methoxymethoxy-naphthalen-2-yl)-trimethyl-silane
    —— 5,11,17-tris(tert-butyl)-23-nitro-25,26,27,28-tetrapropoxycalix[4]arene 934768-42-0 C52H71NO6
    5,11,17-tris(tert-butyl)-23-nitro-25,26,27,28-tetrapropoxycalix[4]arene
    —— 5-fluoro-2-(2-methyl-1H-imidazol-1-yl)aniline 869942-48-3 C10H10FN3
    5-fluoro-2-(2-methyl-1H-imidazol-1-yl)aniline
    —— 5-[(3-methylphenyl)methyl]-N,1-di(propan-2-yl)imidazol-2-amine 1313367-73-5 C17H25N3
    5-[(3-methylphenyl)methyl]-N,1-di(propan-2-yl)imidazol-2-amine
    —— 5-Chloro-1-[2-(2-methylphenyl)ethyl]-4-octyltriazole 1417975-84-8 C19H28ClN3
    5-Chloro-1-[2-(2-methylphenyl)ethyl]-4-octyltriazole
    —— 5-(1-naphthyl)phenanthridin-6(5H)-one 129574-34-1 C23H15NO
    5-(1-naphthyl)phenanthridin-6(5H)-one
    —— 5-bromo-3-(1-phenylsulfanylethyl)-1H-indole 1207962-28-4 C16H14BrNS
    5-bromo-3-(1-phenylsulfanylethyl)-1H-indole
    —— 5-(2,4,6-trimethyl-phenyl)-10-trimethylsilanyl-5,10-dihydro-dibenzo[<i>b</i>,<i>e</i>]borinine 54048-93-0 C25H29BSi
    5-(2,4,6-trimethyl-phenyl)-10-trimethylsilanyl-5,10-dihydro-dibenzo[<i>b</i>,<i>e</i>]borinine
    —— 5-Bromo-1-phenylhex-5-ene-3-thiol 1041307-79-2 C12H15BrS
    5-Bromo-1-phenylhex-5-ene-3-thiol
    —— 5-hydroxy-N-(5-hydroxy-2,4-ditert-butyl-phenyl)-4-oxo-1H-quinoline-3-carboxamide 873054-74-1 C24H28N2O4
    5-hydroxy-N-(5-hydroxy-2,4-ditert-butyl-phenyl)-4-oxo-1H-quinoline-3-carboxamide
    —— 5-(3-piperidin-1-yl-propoxy)-2,3-dihydro-indole-1-carboxylic acid cyclohexylamide 676255-46-2 C23H35N3O2
    5-(3-piperidin-1-yl-propoxy)-2,3-dihydro-indole-1-carboxylic acid cyclohexylamide
    —— 5-phenyl-thieno[2,3-b]pyrrole-6-carboxylic acid tert-butyl ester 945607-89-6 C17H17NO2S
    5-phenyl-thieno[2,3-b]pyrrole-6-carboxylic acid tert-butyl ester
    —— 5-Hydroxy-1,3,3,4',4'-pentamethyl-5'-oxobicyclo<4.2.1>nonane-7-spiro-2'-(tetrahydrofuran)-6-carboxylic acid 128064-28-8 C18H28O5
    5-Hydroxy-1,3,3,4',4'-pentamethyl-5'-oxobicyclo<4.2.1>nonane-7-spiro-2'-(tetrahydrofuran)-6-carboxylic acid
    —— 5-Nitro-N-phthaloylhistidin-methylester 65092-37-7 C15H12N4O6
    5-Nitro-N-phthaloylhistidin-methylester
    —— 5-(3-benzyloxy-2-nitro-benzyl)-9-methoxy-7,8-dihydro-[1,3]dioxolo[4,5-<i>g</i>]isoquinoline; hydrochloride 61535-14-6 C25H22N2O6*ClH
    5-(3-benzyloxy-2-nitro-benzyl)-9-methoxy-7,8-dihydro-[1,3]dioxolo[4,5-<i>g</i>]isoquinoline; hydrochloride
    —— 5-bromo-1-(2,3-difluorobenzyl)-1H-pyrazole 1057383-40-0 C10H7BrF2N2
    5-bromo-1-(2,3-difluorobenzyl)-1H-pyrazole
    —— 5-(N,N'-Dimethylureido)-1,3-dimethyl-uracil 60914-45-6 C9H14N4O3
    5-(N,N'-Dimethylureido)-1,3-dimethyl-uracil
    —— 5-Propyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylic acid 1243190-90-0 C10H14N2O2
    5-Propyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylic acid
    —— 5-(p-chlorophenyl)azosalicylidene-4-phenyl-2-aminothiazole 222017-29-0 C22H15ClN4OS
    5-(p-chlorophenyl)azosalicylidene-4-phenyl-2-aminothiazole
    —— 5-[1-(2,3-Dimethylphenyl)ethyl]-1H-imidazol-3-ium 106807-72-1 C13H17N2+
    5-[1-(2,3-Dimethylphenyl)ethyl]-1H-imidazol-3-ium