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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,6a-diphenyl-3a,6a-dihydro-cyclopenta[<i>b</i>]furan-6-one 70135-24-9 C19H14O2
    5,6a-diphenyl-3a,6a-dihydro-cyclopenta[<i>b</i>]furan-6-one
    —— 5-[3-(4-butoxy-phenyl)-isoxazol-5-ylmethyl]-2-(4-methoxy-phenyl)-5H-imidazo[4,5-d]pyridazine 1105059-63-9 C26H25N5O3
    5-[3-(4-butoxy-phenyl)-isoxazol-5-ylmethyl]-2-(4-methoxy-phenyl)-5H-imidazo[4,5-d]pyridazine
    —— 5-methyl-1-[4-(4-methylphenyl)-1,3-thiazol-2-yl]-1H-1,2,3-triazole-4-carboxylic acid 1210478-35-5 C14H12N4O2S
    5-methyl-1-[4-(4-methylphenyl)-1,3-thiazol-2-yl]-1H-1,2,3-triazole-4-carboxylic acid
    —— 5-(Isopropoxyisopropylphosphinyl)-1,3-dimethylindole 135091-58-6 C16H24NO2P
    5-(Isopropoxyisopropylphosphinyl)-1,3-dimethylindole
    —— 5-chloro-N2-(2,5-dimethyl-4-(6-methylpyridin-3-yl)phenyl)-N4-(5-methyl-1H-pyrazol-3-yl)pyrimidine-2,4-diamine 1202388-60-0 C22H22ClN7
    5-chloro-N2-(2,5-dimethyl-4-(6-methylpyridin-3-yl)phenyl)-N4-(5-methyl-1H-pyrazol-3-yl)pyrimidine-2,4-diamine
    —— 5-ethyl-1,3-dimethyl-5-piperidino-barbituric acid 42879-77-6 C13H21N3O3
    5-ethyl-1,3-dimethyl-5-piperidino-barbituric acid
    —— 5-acetyl-2-ethyl-6-phenyl-4-(pyridin-2-ylamino)pyridazin-3(2H)-one 720716-36-9 C19H18N4O2
    5-acetyl-2-ethyl-6-phenyl-4-(pyridin-2-ylamino)pyridazin-3(2H)-one
    —— (5R,7R,8S,10R,11R,11aS)-5-benzoyloxymethyl-7-cyano-4-methoxy-13-methyl-5,7,8,9,10,11,11a,12-octahydro-8,11-iminoazepino<1,2-b>isoquinoline-10-carboxylic acid 156246-77-4 C26H27N3O5
    (5R,7R,8S,10R,11R,11aS)-5-benzoyloxymethyl-7-cyano-4-methoxy-13-methyl-5,7,8,9,10,11,11a,12-octahydro-8,11-iminoazepino<1,2-b>isoquinoline-10-carboxylic acid
    —— 5-(4-chloro-benzylidene)-1-(5-ethyl-[1,3,4]thiadiazol-2-yl)-imidazolidine-2,4-dione 71598-62-4 C14H11ClN4O2S
    5-(4-chloro-benzylidene)-1-(5-ethyl-[1,3,4]thiadiazol-2-yl)-imidazolidine-2,4-dione
    —— 5',5'-dimethyl-4,5,7-triphenyl-spiro[benzooxazole-2,1'-cyclohexane]-6,3'-dione 39737-38-7 C32H27NO3
    5',5'-dimethyl-4,5,7-triphenyl-spiro[benzooxazole-2,1'-cyclohexane]-6,3'-dione
    —— 5-(3,4,5-Trimethoxy-phenyl)-naphtho[2,3-d][1,3]dioxole-6,7-dicarboxylic acid 7-methyl ester 98449-76-4 C23H20O9
    5-(3,4,5-Trimethoxy-phenyl)-naphtho[2,3-d][1,3]dioxole-6,7-dicarboxylic acid 7-methyl ester
    —— (5-Methoxy-2,4-dichlor-phenoxy)-essigsaeure-aethylester 15267-85-3 C11H12Cl2O4
    (5-Methoxy-2,4-dichlor-phenoxy)-essigsaeure-aethylester
    —— 5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-2,2-diphenylvaleronitrile hydrochloride 130375-01-8 C37H34N2*ClH
    5-(4-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-piperidinyl)-2,2-diphenylvaleronitrile hydrochloride
    —— 5-chloro-2',3'-isopropylidene-O(6),5'-cyclouridine 1160597-24-9 C12H13ClN2O6
    5-chloro-2',3'-isopropylidene-O(6),5'-cyclouridine
    —— 5-Hydroxytropisetron 124077-54-9 C17H20N2O3
    5-Hydroxytropisetron
    —— 5-nitro-4-(4-undecyloxybenzoylamino)phthalonitrile 769970-39-0 C26H30N4O4
    5-nitro-4-(4-undecyloxybenzoylamino)phthalonitrile
    —— 5-ethyl-5-(1-methyl-hex-2-ynyl)-barbituric acid 101265-38-7 C13H18N2O3
    5-ethyl-5-(1-methyl-hex-2-ynyl)-barbituric acid
    —— (5-(4-morpholino-6-((4-N-methylsulfonylpiperazin-1-yl)methyl)thieno[2,3-d]pyrimidin-2-yl)pyridin-3-yl)methanol 1032755-29-5 C22H28N6O4S2
    (5-(4-morpholino-6-((4-N-methylsulfonylpiperazin-1-yl)methyl)thieno[2,3-d]pyrimidin-2-yl)pyridin-3-yl)methanol
    —— 5-[(3R)-3-aminopyrrolidin-1-yl]-n-butylpyridazin-3-amine 1201175-64-5 C12H21N5
    5-[(3R)-3-aminopyrrolidin-1-yl]-n-butylpyridazin-3-amine
    —— 5′-O-(4,4′-dimethoxytriphenylmethyl)-2′-O-(9H-fluoren-9-yl-methylcarbonyl)aminoprop-1-yl-6-Nbenzoyladenosine-3′-O-(2-cyanoethyl N,N-diisopropylphosphoramidite) 1454711-20-6 C65H69N8O10P
    5′-O-(4,4′-dimethoxytriphenylmethyl)-2′-O-(9H-fluoren-9-yl-methylcarbonyl)aminoprop-1-yl-6-Nbenzoyladenosine-3′-O-(2-cyanoethyl N,N-diisopropylphosphoramidite)
    —— 5-methoxy-6-(5-methylsulfanyl[1,3,4]oxadiazol-2-yl)-3,4-diphenylthieno[2,3-c]pyridazine 1403983-44-7 C22H16N4O2S2
    5-methoxy-6-(5-methylsulfanyl[1,3,4]oxadiazol-2-yl)-3,4-diphenylthieno[2,3-c]pyridazine
    —— 5-ethoxy-8-bromo-2,6-dimethoxy-[3]phenanthrol 855359-89-6 C18H17BrO4
    5-ethoxy-8-bromo-2,6-dimethoxy-[3]phenanthrol
    —— 5-[2-(4-Amino-phenoxy)-ethylamino]-2-isopropyl-2-(3,4,5-trimethoxy-phenyl)-pentanenitrile 111625-04-8 C25H35N3O4
    5-[2-(4-Amino-phenoxy)-ethylamino]-2-isopropyl-2-(3,4,5-trimethoxy-phenyl)-pentanenitrile
    —— [5-(4,6-dimethyl-pyrimidin-2-yl)-hexahydro-pyrrolo[3,4-c]pyrrol-2-yl]-(2-[1,2,3]triazol-1-yl-phenyl)-methanone 1293282-46-8 C21H23N7O
    [5-(4,6-dimethyl-pyrimidin-2-yl)-hexahydro-pyrrolo[3,4-c]pyrrol-2-yl]-(2-[1,2,3]triazol-1-yl-phenyl)-methanone
    —— 5-acetyl-2-ethyl-4-((3-fluorophenyl)amino)-6-pyridin-4-ylpyridazin-3(2H)-one 720715-88-8 C19H17FN4O2
    5-acetyl-2-ethyl-4-((3-fluorophenyl)amino)-6-pyridin-4-ylpyridazin-3(2H)-one
    —— 5,7-dichloro-1'-[(7-methyl-1H-indazol-5-yl)carbonyl]spiro[chromene-2,4'-piperidin]-4(3H)-one 1031412-52-8 C22H19Cl2N3O3
    5,7-dichloro-1'-[(7-methyl-1H-indazol-5-yl)carbonyl]spiro[chromene-2,4'-piperidin]-4(3H)-one
    —— (5-quinoxalin-2-yl-hexahydro-pyrrolo[3,4-c]pyrrol-2-yl )-(4'-trifluoromethyl-biphenyl-2-yl)-methanone 1293282-34-4 C28H23F3N4O
    (5-quinoxalin-2-yl-hexahydro-pyrrolo[3,4-c]pyrrol-2-yl )-(4'-trifluoromethyl-biphenyl-2-yl)-methanone
    —— (5S)-3-(4-benzyloxy-3-fluoro-phenyl)-5-imidazol-1-ylmethyl-oxazolidin-2-one 926279-40-5 C20H18FN3O3
    (5S)-3-(4-benzyloxy-3-fluoro-phenyl)-5-imidazol-1-ylmethyl-oxazolidin-2-one
    —— 5-acetoxymethyl-3-(2-ethoxycarbonyl-ethyl)-4-methyl-pyrrole-2-carboxylic acid 68590-28-3 C14H19NO6
    5-acetoxymethyl-3-(2-ethoxycarbonyl-ethyl)-4-methyl-pyrrole-2-carboxylic acid
    —— 5-Benzyloxy-2-(2-chloro-4-oxo-azetidin-1-yl)-3-hydroxy-pentanoic acid methyl ester 68290-28-8 C16H20ClNO5
    5-Benzyloxy-2-(2-chloro-4-oxo-azetidin-1-yl)-3-hydroxy-pentanoic acid methyl ester
    —— 5-amino-1-(4-chloro-3-fluorophenyl)pentan-1-one 1257321-08-6 C11H13ClFNO
    5-amino-1-(4-chloro-3-fluorophenyl)pentan-1-one
    —— (5R,6R)-6-Amino-5-hydroxy-tricyclo[5.1.0.0<sup>2,4</sup>]octane-3,8-dicarboxylic acid dimethyl ester 67659-12-5 C12H17NO5
    (5R,6R)-6-Amino-5-hydroxy-tricyclo[5.1.0.0<sup>2,4</sup>]octane-3,8-dicarboxylic acid dimethyl ester
    —— 5α-Methoxy-6-cholesten 68157-63-1 C28H48O
    5α-Methoxy-6-cholesten
    —— (5S,6S,9S,10S)-9-Isopropyl-2,6-dimethyl-spiro[4.5]dec-1-ene-6,10-diol 73809-93-5 C15H26O2
    (5S,6S,9S,10S)-9-Isopropyl-2,6-dimethyl-spiro[4.5]dec-1-ene-6,10-diol
    —— 5-methyl-2-(5-methyl-1H-indole-2-carbonyl)-4H-pyrazol-3-one 120607-54-7 C14H13N3O2
    5-methyl-2-(5-methyl-1H-indole-2-carbonyl)-4H-pyrazol-3-one
    —— 5,11-diphenyl-17,23-di-tert-butyl-25,26,27,28-tetrahydroxycalix<4>arene 81535-98-0 C48H48O4
    5,11-diphenyl-17,23-di-tert-butyl-25,26,27,28-tetrahydroxycalix<4>arene
    —— 5-(((tert-butyldiphenylsilyl)oxy)methyl)benzene-1,3-diamine 722451-02-7 C23H28N2OSi
    5-(((tert-butyldiphenylsilyl)oxy)methyl)benzene-1,3-diamine
    —— 5-chloro-1-methyl-2-pyridin-3-yl-1H-indole-3-carbonitrile 1202550-41-1 C15H10ClN3
    5-chloro-1-methyl-2-pyridin-3-yl-1H-indole-3-carbonitrile
    —— 5,7-diphenyl-1,3,4-oxadiazolo<3,2-a>pyridilium-2-thiolate 81576-22-9 C18H12N2OS
    5,7-diphenyl-1,3,4-oxadiazolo<3,2-a>pyridilium-2-thiolate
    —— 5'-Fluoro-1-(trifluoroacetyl)spiro[piperidine-4,2'(1'H)-quinazoline]-4'-amine hydrochloride 190010-37-8 C14H14F4N4O*ClH
    5'-Fluoro-1-(trifluoroacetyl)spiro[piperidine-4,2'(1'H)-quinazoline]-4'-amine hydrochloride
    —— 5-hexyl-1<i>H</i>-[2-<sup>14</sup><i>C</i>]pyrimidine-2,4-dione 69263-65-6 C10H16N2O2
    5-hexyl-1<i>H</i>-[2-<sup>14</sup><i>C</i>]pyrimidine-2,4-dione
    —— (5R,6R,7S,8R,10S)-8,10-diamino-1-oxaspiro[4.5]dec-3-ene-6,7-diol 1267385-98-7 C9H16N2O3
    (5R,6R,7S,8R,10S)-8,10-diamino-1-oxaspiro[4.5]dec-3-ene-6,7-diol
    —— 5-Bromo-3-[N-[2-[(2-benzylcarbamoyloxy)ethyl]carbamoyl]ethyl-N-phenyl]carbamoyl-1-propylpyridinium chloride 121495-27-0 C28H32BrN4O4*Cl
    5-Bromo-3-[N-[2-[(2-benzylcarbamoyloxy)ethyl]carbamoyl]ethyl-N-phenyl]carbamoyl-1-propylpyridinium chloride
    —— 5-chloro-2-imino-1-(3-morpholin-4-ylbenzyl)-1,2-dihydropyridine-3-carboxamide hydrochloride 1021873-74-4 C17H19ClN4O2*ClH
    5-chloro-2-imino-1-(3-morpholin-4-ylbenzyl)-1,2-dihydropyridine-3-carboxamide hydrochloride
    —— 5-aminocarbonyl-N2-[3-chloro-4-(4-methylsulfonylpiperazin-1-yl)phenyl]-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine 1105117-56-3 C26H39ClN8O3S
    5-aminocarbonyl-N2-[3-chloro-4-(4-methylsulfonylpiperazin-1-yl)phenyl]-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine
    —— 5-fluoro-N2-(5-(methylthio)-1,3,4-thiadiazol-2-yl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine 1105125-74-3 C17H26FN7S2
    5-fluoro-N2-(5-(methylthio)-1,3,4-thiadiazol-2-yl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine
    —— 5-methyl-1-(2-phenylmethoxyphenyl)-1,3-diazinane-2,4-dione 136582-03-1 C18H18N2O3
    5-methyl-1-(2-phenylmethoxyphenyl)-1,3-diazinane-2,4-dione
    —— 5-(4-Methoxy-phenyl)-2-methyl-6-thiophen-2-yl-1,2,5,6-tetrahydro-[1,2,4,5]tetrazine-3-carboxylic acid methyl ester 136514-77-7 C16H18N4O3S
    5-(4-Methoxy-phenyl)-2-methyl-6-thiophen-2-yl-1,2,5,6-tetrahydro-[1,2,4,5]tetrazine-3-carboxylic acid methyl ester
    —— 5-propyl-2-pyrrolidin-1-yl-1<i>H</i>-pyrimidine-4,6-dione 50596-76-4 C11H17N3O2
    5-propyl-2-pyrrolidin-1-yl-1<i>H</i>-pyrimidine-4,6-dione
    —— 5-Nitro-2-n-propoxypyridine-3-carboxylic Acid Methyl Ester 247582-89-4 C10H12N2O5
    5-Nitro-2-n-propoxypyridine-3-carboxylic Acid Methyl Ester