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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-azido-3-O-benzyl-1,2-O-isopropylidene-β-D-arabinofuranose 1294500-45-0 C15H19N3O4
    5-azido-3-O-benzyl-1,2-O-isopropylidene-β-D-arabinofuranose
    —— 5-bromo-3,3-dichloro-bicyclo[2,2,1]hept-5-ene-2,2-dicarbonitrile 344412-87-9 C9H5BrCl2N2
    5-bromo-3,3-dichloro-bicyclo[2,2,1]hept-5-ene-2,2-dicarbonitrile
    —— 5-benzoyl-2-(2-ethoxy-phenyl)-2<i>H</i>-pyrazole-3,4-dione 3-<i>p</i>-tolylhydrazone 26597-83-1 C25H22N4O3
    5-benzoyl-2-(2-ethoxy-phenyl)-2<i>H</i>-pyrazole-3,4-dione 3-<i>p</i>-tolylhydrazone
    —— 5-phenyl-6-propyl-2<i>H</i>-[1,2,4]triazin-3-one 40197-65-7 C12H13N3O
    5-phenyl-6-propyl-2<i>H</i>-[1,2,4]triazin-3-one
    —— 5-(5-chloro-2-hydroxyphenyl)-1-methyl-3-phenyl-1H-imidazo[4,5-b]pyridine-2(3H)-thione 1354627-96-5 C19H14ClN3OS
    5-(5-chloro-2-hydroxyphenyl)-1-methyl-3-phenyl-1H-imidazo[4,5-b]pyridine-2(3H)-thione
    —— 5,6-dimethyl-1,3-dihydro-imidazo[4,5-<i>b</i>]pyridin-2-one 116599-54-3 C8H9N3O
    5,6-dimethyl-1,3-dihydro-imidazo[4,5-<i>b</i>]pyridin-2-one
    —— 5-(1H-imidazol-2-yl)-4-methoxy-2-propan-2-ylphenol 1145716-53-5 C13H16N2O2
    5-(1H-imidazol-2-yl)-4-methoxy-2-propan-2-ylphenol
    —— 5-acetylamino-N-(1-{[5-(4-fluoro-2-trifluoromethyl-phenylamino)-pyridin-2-ylmethyl]-carbamoyl}-cyclopropyl)-nicotinamide 1242454-29-0 C25H22F4N6O3
    5-acetylamino-N-(1-{[5-(4-fluoro-2-trifluoromethyl-phenylamino)-pyridin-2-ylmethyl]-carbamoyl}-cyclopropyl)-nicotinamide
    —— [5-(trifluoromethyl)-1H-pyrazol-3-yl]methanamine dihydrochloride 2094132-56-4 C5H8Cl2F3N3
    [5-(trifluoromethyl)-1H-pyrazol-3-yl]methanamine dihydrochloride
    —— 5-[15-cyano-9-[(3,3-difluoropyrrolidin-1-yl)methyl]-3,8,10-triazatetracyclo[8.7.0.02,7.011,16]heptadeca-1(17),2(7),3,5,8,11,13,15-octaen-4-yl]-2-(4-fluorophenyl)-N-methyl-6-[methyl(methylsulfonyl)amino]-1-benzofuran-3-carboxamide 1621888-24-1 C38H30F3N7O4S
    5-[15-cyano-9-[(3,3-difluoropyrrolidin-1-yl)methyl]-3,8,10-triazatetracyclo[8.7.0.02,7.011,16]heptadeca-1(17),2(7),3,5,8,11,13,15-octaen-4-yl]-2-(4-fluorophenyl)-N-methyl-6-[methyl(methylsulfonyl)amino]-1-benzofuran-3-carboxamide
    —— 5-Chloro-N-[2-(3,4-dimethyl-phenyl)-ethyl]-2-methoxy-benzamide 64353-11-3 C18H20ClNO2
    5-Chloro-N-[2-(3,4-dimethyl-phenyl)-ethyl]-2-methoxy-benzamide
    —— 5-chloro-2-(3,5-dichloro-phenyl)-2<i>H</i>-pyridazin-3-one 68142-99-4 C10H5Cl3N2O
    5-chloro-2-(3,5-dichloro-phenyl)-2<i>H</i>-pyridazin-3-one
    —— (+/-)-5-Amino-2-[(4-n-propyl-1H-imidazol-2-yl)methyl]pentanoic acid 400044-50-0 C12H21N3O2
    (+/-)-5-Amino-2-[(4-n-propyl-1H-imidazol-2-yl)methyl]pentanoic acid
    —— 5-[(3-chloro-5-fluorobenzyl)sulfanyl]-2,3-dimethoxy-pyridine 1417710-42-9 C14H13ClFNO2S
    5-[(3-chloro-5-fluorobenzyl)sulfanyl]-2,3-dimethoxy-pyridine
    —— 5-[1,2]Dithiolan-3-yl-pentanoic acid [(S)-1-((S)-1-benzyl-2-ethylcarbamoyl-2-hydroxy-ethylcarbamoyl)-2-methyl-propyl]-amide 949897-31-8 C25H39N3O4S2
    5-[1,2]Dithiolan-3-yl-pentanoic acid [(S)-1-((S)-1-benzyl-2-ethylcarbamoyl-2-hydroxy-ethylcarbamoyl)-2-methyl-propyl]-amide
    —— 5-(3-{4-amino-6-[methyl(phenyl)amino]-1,3,5-triazin-2-yl}-1,2,4-oxadiazol-5-yl)pyridin-2-ylmethyl methanesulfonate 1366664-20-1 C19H18N8O4S
    5-(3-{4-amino-6-[methyl(phenyl)amino]-1,3,5-triazin-2-yl}-1,2,4-oxadiazol-5-yl)pyridin-2-ylmethyl methanesulfonate
    —— 5-((1E,4E,8Z)-5,9-Dimethyl-10-oxiranyl-deca-1,4,8-trienyl)-benzo[1,3]dioxole 34579-13-0 C21H26O3
    5-((1E,4E,8Z)-5,9-Dimethyl-10-oxiranyl-deca-1,4,8-trienyl)-benzo[1,3]dioxole
    —— 5-(3-benzofuran-2-yl-2-methyl-4-oxo-4<i>H</i>-chromen-7-yloxymethyl)-furan-2-carboxylic acid methyl ester 36754-55-9 C25H18O7
    5-(3-benzofuran-2-yl-2-methyl-4-oxo-4<i>H</i>-chromen-7-yloxymethyl)-furan-2-carboxylic acid methyl ester
    —— 5-p-Chlorphenylazo-indol 37877-92-2 C14H10ClN3
    5-p-Chlorphenylazo-indol
    —— 5-(2,6-Dimethyl-phenylcarbamoyl)-pyrrolidine-1,2-dicarboxylic acid 1-benzyl ester 33397-00-1 C22H24N2O5
    5-(2,6-Dimethyl-phenylcarbamoyl)-pyrrolidine-1,2-dicarboxylic acid 1-benzyl ester
    —— 5-Hydroxy-7-methyl-3-(3-chlorophenyl)-4H-1-benzopyran-4-one 62845-22-1 C16H11ClO3
    5-Hydroxy-7-methyl-3-(3-chlorophenyl)-4H-1-benzopyran-4-one
    —— (5R)-3-{3-fluoro-4-[4-(methylthio)-1H-1,2,3-triazol-1-yl]phenyl}-5-(hydroxymethyl)oxazolidin-2-one 591232-78-9 C13H13FN4O3S
    (5R)-3-{3-fluoro-4-[4-(methylthio)-1H-1,2,3-triazol-1-yl]phenyl}-5-(hydroxymethyl)oxazolidin-2-one
    —— (5S,11R,Z)-methyl 9-acetoxy-3-methyl-7-oxo-11-(prop-1-en-2-yl)-6,16-dioxatricyclo[11.2.1.15,8]heptadeca-1(15),2,8(17),13-tetraene-14-carboxylate 1376854-16-8 C23H26O7
    (5S,11R,Z)-methyl 9-acetoxy-3-methyl-7-oxo-11-(prop-1-en-2-yl)-6,16-dioxatricyclo[11.2.1.15,8]heptadeca-1(15),2,8(17),13-tetraene-14-carboxylate
    —— (5S)-5-[3-chloro-5-[5-[4-(1,2-oxazol-3-yl)phenyl]-1,3,4-oxadiazol-2-yl]thiophen-2-yl]-2,5-dimethyl-1,1-dioxo-6H-1,2,4-thiadiazin-3-amine 1603821-42-6 C20H17ClN6O4S2
    (5S)-5-[3-chloro-5-[5-[4-(1,2-oxazol-3-yl)phenyl]-1,3,4-oxadiazol-2-yl]thiophen-2-yl]-2,5-dimethyl-1,1-dioxo-6H-1,2,4-thiadiazin-3-amine
    —— 5-formyl-N,4-dimethyl-1H-Pyrrole-2-carboxamide 865365-05-5 C8H10N2O2
    5-formyl-N,4-dimethyl-1H-Pyrrole-2-carboxamide
    —— (5-(((S)-1-amino-1-oxopropan-2-yl)amino)-2,4-dinitrophenyl)-L-histidine 128424-98-6 C15H17N7O7
    (5-(((S)-1-amino-1-oxopropan-2-yl)amino)-2,4-dinitrophenyl)-L-histidine
    —— 5,6-Dimethoxy-2-(4-methoxy-phenyl)-indol-3-carbonitril 2196-96-5 C18H16N2O3
    5,6-Dimethoxy-2-(4-methoxy-phenyl)-indol-3-carbonitril
    —— 5'-<<(E)-4-<(tert-Butoxycarbonyl)-amino>-2-butenyl>methylamino>-5'-deoxy-2',3'-O-isopropylideneadenosine 128490-10-8 C23H35N7O5
    5'-<<(E)-4-<(tert-Butoxycarbonyl)-amino>-2-butenyl>methylamino>-5'-deoxy-2',3'-O-isopropylideneadenosine
    —— 5-(phenylsulfonyl)-10,11-dihydro-5H-dibenzo[b,f]azepine 102079-00-5 C20H17NO2S
    5-(phenylsulfonyl)-10,11-dihydro-5H-dibenzo[b,f]azepine
    —— 5-ethyl-6-{2-[4-(2-methoxy-ethoxy)phenyl]benzoxazol-6-yl}-4,5-dihydro-2H-pyridazin-3-one 1346700-67-1 C22H23N3O4
    5-ethyl-6-{2-[4-(2-methoxy-ethoxy)phenyl]benzoxazol-6-yl}-4,5-dihydro-2H-pyridazin-3-one
    —— 5,6-anhydro-2,3-dideoxy-D-erythro-hex-2-enono-1,4-lactone 111975-52-1 C6H6O3
    5,6-anhydro-2,3-dideoxy-D-erythro-hex-2-enono-1,4-lactone
    —— 5,5'-[3,6,10,11-tetrakis(pentyloxy)triphenylene-2,7-diylbis(oxy)]dipentanoic acid 909119-70-6 C48H68O10
    5,5'-[3,6,10,11-tetrakis(pentyloxy)triphenylene-2,7-diylbis(oxy)]dipentanoic acid
    —— (5Z,7E)-(1S,3R,23R)-23-acetoxy-1,3-bis[(t-butyldimethylsilyl)oxy]-26,26,26,27,27,27-hexafluoro-9,10-seco-5,7,10(19)-cholestatrien-25-ol 303015-21-6 C41H68F6O5Si2
    (5Z,7E)-(1S,3R,23R)-23-acetoxy-1,3-bis[(t-butyldimethylsilyl)oxy]-26,26,26,27,27,27-hexafluoro-9,10-seco-5,7,10(19)-cholestatrien-25-ol
    —— (5S,8R,9S,10S,13S,14S,16R,17S)-16-allyl-10,13-dimethylhexadecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol 936496-24-1 C24H38O3
    (5S,8R,9S,10S,13S,14S,16R,17S)-16-allyl-10,13-dimethylhexadecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol
    —— 5-diphenylphosphinothioyl-3,3-dimethyl-4-phenyl-3<i>H</i>-pyrazole 65939-37-9 C23H21N2PS
    5-diphenylphosphinothioyl-3,3-dimethyl-4-phenyl-3<i>H</i>-pyrazole
    —— 5-Ethyl-2,3-bis-(4-methoxy-phenyl)-thiazolidin-4-one 63462-21-5 C19H21NO3S
    5-Ethyl-2,3-bis-(4-methoxy-phenyl)-thiazolidin-4-one
    —— 5,7,5',7'-tetramethyl-2,2'-(6-chloro-naphthalene-1,4-diyl)-bis-benzooxazole 63434-58-2 C28H21ClN2O2
    5,7,5',7'-tetramethyl-2,2'-(6-chloro-naphthalene-1,4-diyl)-bis-benzooxazole
    —— 5,5-difluorobicyclo[2.2.1]heptan-2-amine hydrochloride 2228261-05-8 C7H11F2N*ClH
    5,5-difluorobicyclo[2.2.1]heptan-2-amine hydrochloride
    —— 5-Nitro-1,3-dihydro-isoindole-2-carboxylic acid amide 3364-55-4 C9H9N3O3
    5-Nitro-1,3-dihydro-isoindole-2-carboxylic acid amide
    —— 5-cyano-2,6-dimethyl-4-(3-nitrophenyl)-N-(o-tolyl)-1,4-dihydropyridine-3-carboxamide 944938-79-8 C22H20N4O3
    5-cyano-2,6-dimethyl-4-(3-nitrophenyl)-N-(o-tolyl)-1,4-dihydropyridine-3-carboxamide
    —— 5-(4-nitro-phenyl)-3-phenyl-4,5-dihydro-pyrazole-1-carboxylic acid ethylamide 37868-88-5 C18H18N4O3
    5-(4-nitro-phenyl)-3-phenyl-4,5-dihydro-pyrazole-1-carboxylic acid ethylamide
    —— 5-isopropoxy-1-<i>o</i>-tolyl-1<i>H</i>-[1,2,4]triazole-3-carboxylic acid anilide 33551-10-9 C19H20N4O2
    5-isopropoxy-1-<i>o</i>-tolyl-1<i>H</i>-[1,2,4]triazole-3-carboxylic acid anilide
    —— 5α-hydroxy-3-oxo-5α-androstan-17β-yl benzoate 26128-31-4 C26H34O4
    5α-hydroxy-3-oxo-5α-androstan-17β-yl benzoate
    —— (5,5'-di-methyl-2,2'-dipyridyl)-bis-(5-methyl-2-(4-bromophenyl)pyridine(-1H))-iridium(III) chloride 808143-56-8 C36H30Br2IrN4*Cl
    (5,5'-di-methyl-2,2'-dipyridyl)-bis-(5-methyl-2-(4-bromophenyl)pyridine(-1H))-iridium(III) chloride
    —— 5,13-diacetoxy-6,7-dihydro-anthra[1,2-b]benzo[d]thiophene 116600-36-3 C24H18O4S
    5,13-diacetoxy-6,7-dihydro-anthra[1,2-b]benzo[d]thiophene
    —— 5a-fluoro-2-methyl-5,5a,7a,8-tetrahydro-5,8-etheno-cyclobuta[<i>d</i>][1,2,4]triazolo[1,2-<i>a</i>]-1,3-dione 34044-72-9 C11H10FN3O2
    5a-fluoro-2-methyl-5,5a,7a,8-tetrahydro-5,8-etheno-cyclobuta[<i>d</i>][1,2,4]triazolo[1,2-<i>a</i>]-1,3-dione
    —— 5-deuterio-4-methoxy-6-methyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-<i>g</i>]isoquinoline 55649-57-5 C12H15NO3
    5-deuterio-4-methoxy-6-methyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-<i>g</i>]isoquinoline
    —— 5-(4-methoxy-phenyl)-4-methyl-7-phenyl-5,6-dihydro-1<i>H</i>-quinazoline-2-thione 51522-52-2 C22H20N2OS
    5-(4-methoxy-phenyl)-4-methyl-7-phenyl-5,6-dihydro-1<i>H</i>-quinazoline-2-thione
    —— 5-Diethylamino-2-methyl-5-phenyl-pent-3-yn-2-ol 26981-47-5 C16H23NO
    5-Diethylamino-2-methyl-5-phenyl-pent-3-yn-2-ol
    —— 5-(4-chloro-2-methyl-benzenesulfonyl)-2-methylsulfanyl-pyrimidine-4-carboxylic acid 30314-56-8 C13H11ClN2O4S2
    5-(4-chloro-2-methyl-benzenesulfonyl)-2-methylsulfanyl-pyrimidine-4-carboxylic acid