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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Nitro-1,2-dihydrochinolin 41959-40-4 C9H8N2O2
    5-Nitro-1,2-dihydrochinolin
    —— 5,8-Dihydro-5-methyl-1H-naphth<2,3-d>imidazo-4,9-dion 27423-76-3 C12H10N2O2
    5,8-Dihydro-5-methyl-1H-naphth<2,3-d>imidazo-4,9-dion
    —— 5-[(Z)-Hydroxyimino]-7,7-dimethyl-1,3-diphenyl-5,6,7,8-tetrahydro-cinnolin-1-ium; chloride 107651-75-2 C22H22N3O*Cl
    5-[(Z)-Hydroxyimino]-7,7-dimethyl-1,3-diphenyl-5,6,7,8-tetrahydro-cinnolin-1-ium; chloride
    —— 5-(3-Phenyl-propionylamino)-2,4,6-triamino-pyrimidin 47065-79-2 C13H16N6O
    5-(3-Phenyl-propionylamino)-2,4,6-triamino-pyrimidin
    —— 5-methylamino-isoquinoline-1-carbaldehyde thiosemicarbazone 53760-70-6 C12H13N5S
    5-methylamino-isoquinoline-1-carbaldehyde thiosemicarbazone
    —— 5-<3-(4-Bromacetamino-phenoxy)-propyl>-6-methyl-2-amino-4-hydroxy-pyrimidin 7631-40-5 C16H19BrN4O3
    5-<3-(4-Bromacetamino-phenoxy)-propyl>-6-methyl-2-amino-4-hydroxy-pyrimidin
    —— 5-hydroxy-1-ethylpyridin-2(1H)-one 1383746-96-0 C7H9NO2
    5-hydroxy-1-ethylpyridin-2(1H)-one
    —— 5-Cyclopentyl-[1,2,3]thiadiazole-4-carboxylic acid allyl ester 104034-73-3 C11H14N2O2S
    5-Cyclopentyl-[1,2,3]thiadiazole-4-carboxylic acid allyl ester
    —— 5-[6-(1,1-dioxo-1λ*6*-thiomorpholin-4-ylmethyl)-pyrimidin-4-yloxy]-indole-1-carboxylic acid (4-fluoro-3-trifluoromethyl-phenyl)-amide 1229448-74-1 C25H21F4N5O4S
    5-[6-(1,1-dioxo-1λ*6*-thiomorpholin-4-ylmethyl)-pyrimidin-4-yloxy]-indole-1-carboxylic acid (4-fluoro-3-trifluoromethyl-phenyl)-amide
    —— 5-(but-3-ynyl)-3-(3-methoxyphenyl)-1,2,4-oxadiazole 872362-40-8 C13H12N2O2
    5-(but-3-ynyl)-3-(3-methoxyphenyl)-1,2,4-oxadiazole
    —— 5,5'-methylenebis[2-(phenylsulfonamido)benzoic acid] 1056452-29-9 C27H22N2O8S2
    5,5'-methylenebis[2-(phenylsulfonamido)benzoic acid]
    —— 5-(4-benzoylaminophenoxy)-2-(4-butylbenzoylamino)benzoic acid 1192315-03-9 C31H28N2O5
    5-(4-benzoylaminophenoxy)-2-(4-butylbenzoylamino)benzoic acid
    —— 5-(4-aminocyclohexyl)amino-7-(2-acetoxybenzyl)amino-3-isopropylpyrazolo[4,3-d]pyrimidine 607726-55-6 C23H31N7O2
    5-(4-aminocyclohexyl)amino-7-(2-acetoxybenzyl)amino-3-isopropylpyrazolo[4,3-d]pyrimidine
    —— 5-hydroxy-3,6'',6''-trimethylpyrano<2'',3'':7,6>flavone 74443-26-8 C21H18O4
    5-hydroxy-3,6'',6''-trimethylpyrano<2'',3'':7,6>flavone
    —— 5-nitro-2-trifluoromethyl-benzoimidazole-1-carboxylic acid ethyl ester 14832-33-8 C11H8F3N3O4
    5-nitro-2-trifluoromethyl-benzoimidazole-1-carboxylic acid ethyl ester
    —— 5-amino-2-(2-<i>m</i>-tolyloxy-ethyl)-1,2-dihydro-pyrazol-3-one 55294-25-2 C12H15N3O2
    5-amino-2-(2-<i>m</i>-tolyloxy-ethyl)-1,2-dihydro-pyrazol-3-one
    —— 5-Ethoxycarbonyl-1,6-dimethyl-4-methylmercapto-2(1H)-pyrimidinon 22293-67-0 C10H14N2O3S
    5-Ethoxycarbonyl-1,6-dimethyl-4-methylmercapto-2(1H)-pyrimidinon
    —— 5-Acetoxy-2-methyl-1-indanon 52685-61-7 C12H12O3
    5-Acetoxy-2-methyl-1-indanon
    —— 5-(4-{2-[2-(2-Chloro-phenyl)-5-methyl-oxazol-4-yl]-ethoxy}-benzyl)-thiazolidine-2,4-dione 103788-14-3 C22H19ClN2O4S
    5-(4-{2-[2-(2-Chloro-phenyl)-5-methyl-oxazol-4-yl]-ethoxy}-benzyl)-thiazolidine-2,4-dione
    —— 5-Chloro-2-methyl-6-(1-pyrrolidinyl)-4-pyrimidinol 1135283-15-6 C9H12ClN3O
    5-Chloro-2-methyl-6-(1-pyrrolidinyl)-4-pyrimidinol
    —— 5-methyl-imidazo[4,5,1-<i>de</i>]phenanthridin-7-one 71815-04-8 C15H10N2O
    5-methyl-imidazo[4,5,1-<i>de</i>]phenanthridin-7-one
    —— 5-chloro-N-(2-oxopyrrolidin-3-yl)-4-pyrazolo[1,5-a]pyridin-3-yl-1,3-thiazole-2-carboxamide 1207555-47-2 C15H12ClN5O2S
    5-chloro-N-(2-oxopyrrolidin-3-yl)-4-pyrazolo[1,5-a]pyridin-3-yl-1,3-thiazole-2-carboxamide
    —— 5-bromo-furan-2-carboxylic acid (2,2,2-trichloro-1-(4-chloro-phenylamino)-ethyl)-amide 1208128-00-0 C13H9BrCl4N2O2
    5-bromo-furan-2-carboxylic acid (2,2,2-trichloro-1-(4-chloro-phenylamino)-ethyl)-amide
    —— 5-(4,4-difluorobut-3-enylthio)-3-(2-pyrazinyl)-1,2,4-thiadiazole 172934-28-0 C10H8F2N4S2
    5-(4,4-difluorobut-3-enylthio)-3-(2-pyrazinyl)-1,2,4-thiadiazole
    —— 5-fluoro-6,7-methylenedioxycoumarin 1192469-76-3 C10H5FO4
    5-fluoro-6,7-methylenedioxycoumarin
    —— 5-(1-hydroxy-1-phenylmethyl)-1-(3-methoxyphenyl)pyrrolidin-2-one 757248-71-8 C18H19NO3
    5-(1-hydroxy-1-phenylmethyl)-1-(3-methoxyphenyl)pyrrolidin-2-one
    —— 5-(6-methyl-pyridin-2-ylethynyl)-pyrazolo[1,5-a]pyrimidine 1228352-79-1 C14H10N4
    5-(6-methyl-pyridin-2-ylethynyl)-pyrazolo[1,5-a]pyrimidine
    —— 5-(5-o-tolylethynyl-thiophen-2-yl)-pyrazolo[1,5-a]pyrimidine 1228353-90-9 C19H13N3S
    5-(5-o-tolylethynyl-thiophen-2-yl)-pyrazolo[1,5-a]pyrimidine
    —— 5-[(2R,3R,4R)-4-aminomethyl-3-methoxyoxetan-2-yl]-3-p-methylphenyl-1,2,4-oxadiazole trifluoroacetate 1354051-61-8 C2HF3O2*C14H17N3O3
    5-[(2R,3R,4R)-4-aminomethyl-3-methoxyoxetan-2-yl]-3-p-methylphenyl-1,2,4-oxadiazole trifluoroacetate
    —— 5-methyl-1-(2-(p-tolyloxy)phenyl)hex-5-en-2-yn-1-ol 1307885-89-7 C20H20O2
    5-methyl-1-(2-(p-tolyloxy)phenyl)hex-5-en-2-yn-1-ol
    —— 5-cyclopropanecarbonylamino-1-(2',6'-dimethylbenzoyl)-2-methylindole 682358-44-7 C22H22N2O2
    5-cyclopropanecarbonylamino-1-(2',6'-dimethylbenzoyl)-2-methylindole
    —— (5-Methoxy-4'-methyl-biphenyl-3-yl)-acetonitrile 53136-87-1 C16H15NO
    (5-Methoxy-4'-methyl-biphenyl-3-yl)-acetonitrile
    —— 5-(4-methylsulfanylphenyl)pyridine-2-carbaldehyde 1266569-80-5 C13H11NOS
    5-(4-methylsulfanylphenyl)pyridine-2-carbaldehyde
    —— 5,5'-(buta-1,3-diene-2,3-diyl)bis(1,3-dimethylbenzene) 1379867-79-4 C20H22
    5,5'-(buta-1,3-diene-2,3-diyl)bis(1,3-dimethylbenzene)
    —— 5-(3,4-dimethoxyphenyl)-2-[1-(1H-indol-7-ylcarbonyl)piperidin-4-yl]-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one 1227152-35-3 C27H30N4O4
    5-(3,4-dimethoxyphenyl)-2-[1-(1H-indol-7-ylcarbonyl)piperidin-4-yl]-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one
    —— 5-(4-chlorophenyl)-3,4-dihydro-2H-pyrrole;perchloric acid 77228-03-6 C10H10ClN*ClHO4
    5-(4-chlorophenyl)-3,4-dihydro-2H-pyrrole;perchloric acid
    —— 5-[(3-fluorophenyl)ethynyl]-1-isopropyl-2(1H)-pyridinone 663955-77-9 C16H14FNO
    5-[(3-fluorophenyl)ethynyl]-1-isopropyl-2(1H)-pyridinone
    —— 5-benzyl-9-trifluoromethyl-7,12-dihydroindolo[3,2-d][1]benzazepin-6(5H)-one 1213611-42-7 C24H17F3N2O
    5-benzyl-9-trifluoromethyl-7,12-dihydroindolo[3,2-d][1]benzazepin-6(5H)-one
    —— 5,5-Dimethyl-2-tert.-butyl-hexen-(3)-saeure 16495-37-7 C12H22O2
    5,5-Dimethyl-2-tert.-butyl-hexen-(3)-saeure
    —— 5-phenyl-3-(1-phenyl-1H-pyrazol-5-yl)pyrazin-2(1H)-one 1357588-79-4 C19H14N4O
    5-phenyl-3-(1-phenyl-1H-pyrazol-5-yl)pyrazin-2(1H)-one
    —— 5,6-bis(4-ethylphenyl)-4,7-bis(4-hexylphenyl)azepino[3,2,1-hi]indole-1,2-dione 1450994-09-8 C52H55NO2
    5,6-bis(4-ethylphenyl)-4,7-bis(4-hexylphenyl)azepino[3,2,1-hi]indole-1,2-dione
    —— (5-Methyl-5H-dibenzo[a,d]cyclohepten-10-yl)-methanol 16227-40-0 C17H16O
    (5-Methyl-5H-dibenzo[a,d]cyclohepten-10-yl)-methanol
    —— 5-Amino-8-[4-(4-chloromethanesulfonylamino-benzoylamino)-phenylamino]-9,10-dioxo-9,10-dihydro-anthracene-1,6-disulfonic acid 18537-62-7 C28H21ClN4O11S3
    5-Amino-8-[4-(4-chloromethanesulfonylamino-benzoylamino)-phenylamino]-9,10-dioxo-9,10-dihydro-anthracene-1,6-disulfonic acid
    —— (±)-5-(tert-butoxycarbonyl)-6-methyl-4-(1-naphthyl)-3,4-dihydro-2(1H)-pyridone 1614264-86-6 C21H23NO3
    (±)-5-(tert-butoxycarbonyl)-6-methyl-4-(1-naphthyl)-3,4-dihydro-2(1H)-pyridone
    —— 5-Hexyl-4-iodo-3-methyl-3-prop-2-enylfuran-2-one 1052691-19-6 C14H21IO2
    5-Hexyl-4-iodo-3-methyl-3-prop-2-enylfuran-2-one
    —— 5-Methoxy-1-methyl-3,3a,8,8a-tetrahydro-1H-indeno[2,1-b]pyrrol-2-one 36286-27-8 C13H15NO2
    5-Methoxy-1-methyl-3,3a,8,8a-tetrahydro-1H-indeno[2,1-b]pyrrol-2-one
    —— 5-ethyl-4<sup>a</sup>-hydroxy-3-methyl-4<sup>a</sup>,5-dihydrolumiflavin radical cation 50387-45-6 C16H20N4O3
    5-ethyl-4<sup>a</sup>-hydroxy-3-methyl-4<sup>a</sup>,5-dihydrolumiflavin radical cation
    —— 5-chloro-2-[3-(dichloromethylene)hexyl]-1,3-dimethoxybenzene 1060668-00-9 C15H19Cl3O2
    5-chloro-2-[3-(dichloromethylene)hexyl]-1,3-dimethoxybenzene
    —— 5,11,17,23-tetra-tert-butyl-25-((1S)-10-camphorsulfonyloxy)-26-methoxy-27,28-dihydroxycalix[4]arene 1052211-52-5 C55H72O7S
    5,11,17,23-tetra-tert-butyl-25-((1S)-10-camphorsulfonyloxy)-26-methoxy-27,28-dihydroxycalix[4]arene
    —— 5-<i>tert</i>-butyl-2-{4-[2-(2-phenyl-benzooxazol-6-yl)-vinyl]-phenyl}-benzooxazole 67563-04-6 C32H26N2O2
    5-<i>tert</i>-butyl-2-{4-[2-(2-phenyl-benzooxazol-6-yl)-vinyl]-phenyl}-benzooxazole