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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-chloro-2-(4-methoxy-phenyl)-5-nitro-[1,3]dioxane 103564-67-6 C11H12ClNO5
    5-chloro-2-(4-methoxy-phenyl)-5-nitro-[1,3]dioxane
    —— 5,6-diphenyl-4-(2,3-dihydro-3-oxopyridazinyl) diphenylcarbinol 112450-36-9 C29H22N2O2
    5,6-diphenyl-4-(2,3-dihydro-3-oxopyridazinyl) diphenylcarbinol
    —— (5aS,9aS)-5a-methyl-2-(2-methylprop-1-en-1-yl)-5,5a,7,8,9,9a-hexahydro-4H-spiro[naphtho[2,1-b]furan-6,2'-[1,3]dioxolane] 125923-31-1 C19H26O3
    (5aS,9aS)-5a-methyl-2-(2-methylprop-1-en-1-yl)-5,5a,7,8,9,9a-hexahydro-4H-spiro[naphtho[2,1-b]furan-6,2'-[1,3]dioxolane]
    —— 5-bromo-2,3-dimethylindoline 4660-07-5 C10H12BrN
    5-bromo-2,3-dimethylindoline
    —— 5'-chloro-2'-fluoro-N-((1,1-dioxotetrahydro-2H-thiopyran-4-yl)methyl)-3,4'-bipyridin-5-amine 1378034-95-7 C16H17ClFN3O2S
    5'-chloro-2'-fluoro-N-((1,1-dioxotetrahydro-2H-thiopyran-4-yl)methyl)-3,4'-bipyridin-5-amine
    —— 5-n-butyl-1-[2'-(1-triphenylmethyltetrazol-5-yl)biphenyl-4-yl-methyl]-3-[2-methylpropyl]-2-pyrrolaldehyde 868742-00-1 C46H45N5O
    5-n-butyl-1-[2'-(1-triphenylmethyltetrazol-5-yl)biphenyl-4-yl-methyl]-3-[2-methylpropyl]-2-pyrrolaldehyde
    —— 5-(pyren-1-yl)pent-4-yn-1-ol 1401808-84-1 C21H16O
    5-(pyren-1-yl)pent-4-yn-1-ol
    —— 5-amino-4-methyl-2-phenylthieno[2,3-d]pyrimidine-6-carbohydrazid 569669-28-9 C14H13N5OS
    5-amino-4-methyl-2-phenylthieno[2,3-d]pyrimidine-6-carbohydrazid
    —— 5-Methoxy-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid 7,9-di-tert-butyl ester 2-methyl ester 131419-66-4 C24H28N2O7
    5-Methoxy-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid 7,9-di-tert-butyl ester 2-methyl ester
    —— 5,5''''-Bis-{4-[5'-(2,2-dibromo-vinyl)-3'-octyl-[2,2']bithiophenyl-5-yl]-butyl}-3',4'''-dioctyl-[2,2';5',2'';5'',2''';5''',2'''']quinquethiophene 856899-00-8 C80H100Br4S9
    5,5''''-Bis-{4-[5'-(2,2-dibromo-vinyl)-3'-octyl-[2,2']bithiophenyl-5-yl]-butyl}-3',4'''-dioctyl-[2,2';5',2'';5'',2''';5''',2'''']quinquethiophene
    —— 5-(2,3-diphenyl-1-methylcyclopropen-1-yl)-1,3-pentadiene 125643-20-1 C21H20
    5-(2,3-diphenyl-1-methylcyclopropen-1-yl)-1,3-pentadiene
    —— 5,6-Dimethyl-acenaphthenol-(1) 107775-10-0 C14H14O
    5,6-Dimethyl-acenaphthenol-(1)
    —— (5R,6S,7S)-7-Methoxymethyl-8-oxo-5-(3,4,5-trimethoxy-phenyl)-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid methyl ester 120122-15-8 C24H26O9
    (5R,6S,7S)-7-Methoxymethyl-8-oxo-5-(3,4,5-trimethoxy-phenyl)-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxole-6-carboxylic acid methyl ester
    —— [5-tert-Butyl-3-(3-{4-[2-(cyclopropylmethyl-amino)-pyrimidin-4-yloxy]-naphthalen-1-yl}ureido)-2-methoxy-phenyl]-carbamic acid methyl ester 473272-00-3 C32H36N6O5
    [5-tert-Butyl-3-(3-{4-[2-(cyclopropylmethyl-amino)-pyrimidin-4-yloxy]-naphthalen-1-yl}ureido)-2-methoxy-phenyl]-carbamic acid methyl ester
    —— (5R*,9R*)-(+/-)-5,9-Epoxy-5,8,9,10-tetrahydrobenzocycloocten-7(6H)-on 143142-94-3 C12H12O2
    (5R*,9R*)-(+/-)-5,9-Epoxy-5,8,9,10-tetrahydrobenzocycloocten-7(6H)-on
    —— 5-tert-butylmethylidene-3-methoxycarbonylmethylrhodanine 142530-83-4 C11H15NO3S2
    5-tert-butylmethylidene-3-methoxycarbonylmethylrhodanine
    —— 5-Amino-2-dimethylamino-pyrimido<4.5-d>pyrimidin 109440-74-6 C8H10N6
    5-Amino-2-dimethylamino-pyrimido<4.5-d>pyrimidin
    —— 5-(2,5-Dimethylpiperazin-1-yl)sulfonylisoquinoline;hydrochloride 141543-68-2 C15H19N3O2S*ClH
    5-(2,5-Dimethylpiperazin-1-yl)sulfonylisoquinoline;hydrochloride
    —— 5-(4,4-Dimethoxy-butyl)-4,4-dimethyl-2-methylene-3-trimethylsilanylmethyl-cyclohexanone 125344-27-6 C19H36O3Si
    5-(4,4-Dimethoxy-butyl)-4,4-dimethyl-2-methylene-3-trimethylsilanylmethyl-cyclohexanone
    —— 5,6,7,8-tetrafluoro-3-(triphenyl-λ5-phosphanylidene)-1,2,3,4-tetrahydronaphthalene-1,2,4-trione 1286745-05-8 C28H15F4O3P
    5,6,7,8-tetrafluoro-3-(triphenyl-λ5-phosphanylidene)-1,2,3,4-tetrahydronaphthalene-1,2,4-trione
    —— 5-Acetyl-3,4-dihydro-r-2,c-4-dimethoxy-2,6-dimethyl-2H-pyran 82656-21-1 C11H18O4
    5-Acetyl-3,4-dihydro-r-2,c-4-dimethoxy-2,6-dimethyl-2H-pyran
    —— 5-Chloro-2-[3-(4-chloro-phenyl)-2-methylsulfanyl-propionylamino]-benzoic acid 868526-86-7 C17H15Cl2NO3S
    5-Chloro-2-[3-(4-chloro-phenyl)-2-methylsulfanyl-propionylamino]-benzoic acid
    —— 5,5'-bis(2-cyclohexylethyl)-6,6',7,7'-tetrahydroxy-3,3'-dimethyl-2,2'-binaphthyl-1,1',4,4'-tetraone 1256724-05-6 C38H42O8
    5,5'-bis(2-cyclohexylethyl)-6,6',7,7'-tetrahydroxy-3,3'-dimethyl-2,2'-binaphthyl-1,1',4,4'-tetraone
    —— 5-[2-(2-methyl-phenothiazin-10-yl)-ethyl]-4-phenyl-2,4-dihydro-[1,2,4]triazol-3-one 36894-44-7 C23H20N4OS
    5-[2-(2-methyl-phenothiazin-10-yl)-ethyl]-4-phenyl-2,4-dihydro-[1,2,4]triazol-3-one
    —— 5-acetylthiophene-2-sulfonic acid [2-(4-fluorophenyl)ethyl]-methyl-amide 864961-44-4 C15H16FNO3S2
    5-acetylthiophene-2-sulfonic acid [2-(4-fluorophenyl)ethyl]-methyl-amide
    —— 5-(4-benzyl-piperazin-1-yl)-7-(1,1-dioxo-1λ<sup>6</sup>-thiomorpholin-4-yl)-thiazolo[5,4-<i>d</i>]pyrimidine 41974-94-1 C20H24N6O2S2
    5-(4-benzyl-piperazin-1-yl)-7-(1,1-dioxo-1λ<sup>6</sup>-thiomorpholin-4-yl)-thiazolo[5,4-<i>d</i>]pyrimidine
    —— 5-chloro-6-methyl-3-morpholinomethylbenzoxazoline-2-thione 118794-17-5 C13H15ClN2O2S
    5-chloro-6-methyl-3-morpholinomethylbenzoxazoline-2-thione
    —— 5,6-bis(phenylselanyl)acenaphthylene 1583312-50-8 C24H16Se2
    5,6-bis(phenylselanyl)acenaphthylene
    —— 5-amino-3-carbamoyl-isoxazole-4-carboxylic acid ethyl ester 19950-12-0 C7H9N3O4
    5-amino-3-carbamoyl-isoxazole-4-carboxylic acid ethyl ester
    —— 5-iodo-3,3-dimethyl-1-(1-methyl-4-piperidinyl)-2,3-dihydro-1H-indole 882669-65-0 C16H23IN2
    5-iodo-3,3-dimethyl-1-(1-methyl-4-piperidinyl)-2,3-dihydro-1H-indole
    —— 5-amino-1-isopropyl-3,3-dimethyl-6-nitro-1,3-dihydro-indol-2-one 869846-33-3 C13H17N3O3
    5-amino-1-isopropyl-3,3-dimethyl-6-nitro-1,3-dihydro-indol-2-one
    —— 5,6-dimethoxy-2-(methylthio)benzo[d]thiazole 854084-93-8 C10H11NO2S2
    5,6-dimethoxy-2-(methylthio)benzo[d]thiazole
    —— 5-chloro-4-(6-chloro-2'-fluoro-4-iodobiphenyl-3-yloxy)-N-(2,4-dimethoxybenzyl)-2-fluoro-N-(1,3,4-thiadiazol-2-yl)benzenesulfonamide 1354787-28-2 C29H20Cl2F2IN3O5S2
    5-chloro-4-(6-chloro-2'-fluoro-4-iodobiphenyl-3-yloxy)-N-(2,4-dimethoxybenzyl)-2-fluoro-N-(1,3,4-thiadiazol-2-yl)benzenesulfonamide
    —— 5,8,13,16-Tetrahydro-5,5,8,8,13,13,16,16-octamethylnaphtho<2,3-b>naphtho<2',3':5,6>pyrano<3,4-d>pyran-6,14-dion 58746-59-1 C32H32O4
    5,8,13,16-Tetrahydro-5,5,8,8,13,13,16,16-octamethylnaphtho<2,3-b>naphtho<2',3':5,6>pyrano<3,4-d>pyran-6,14-dion
    —— (5-(2-bromophenyl)isoxazol-3-yl)(phenyl)methanone 1610714-34-5 C16H10BrNO2
    (5-(2-bromophenyl)isoxazol-3-yl)(phenyl)methanone
    —— 5'-O-(4-methoxytrityl)-2',3'-dideoxy-2'-fluoro-3'-acetylthioarabinothymidine 674290-11-0 C32H31FN2O6S
    5'-O-(4-methoxytrityl)-2',3'-dideoxy-2'-fluoro-3'-acetylthioarabinothymidine
    —— 5-(L-threo-2,3-di-O-acetylglycerol-1-yl)-2-phenylpyrazine-6-carboxylic acid 6,5'-lactone 83741-58-6 C18H16N2O6
    5-(L-threo-2,3-di-O-acetylglycerol-1-yl)-2-phenylpyrazine-6-carboxylic acid 6,5'-lactone
    —— 5-acetyl-2-bromo-7-methyl-5H-dibenzo[d,f][1,3]diazepin-6(7H)-one 1570096-90-0 C16H13BrN2O2
    5-acetyl-2-bromo-7-methyl-5H-dibenzo[d,f][1,3]diazepin-6(7H)-one
    —— 5-(2-acetoxy-3,6-dimethoxy-4,5-dimethylphenyl)-3-methylpent-2-enoic acid 783332-92-3 C19H26O6
    5-(2-acetoxy-3,6-dimethoxy-4,5-dimethylphenyl)-3-methylpent-2-enoic acid
    —— 5-amino-8-benzyl-2-(tetrahydro-pyran-4-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-one 1192132-59-4 C19H21N5O2
    5-amino-8-benzyl-2-(tetrahydro-pyran-4-ylamino)-8H-pyrido[2,3-d]pyrimidin-7-one
    —— 5-(4-ethynylphenyl)dipyrromethane 307930-49-0 C17H14N2
    5-(4-ethynylphenyl)dipyrromethane
    —— 5-hydroxy-4-hydroxyimino-3-methyl-1-phenyl-5-trifluoromethyl-4,5-dihydro-1H-pyrazole 1291099-89-2 C11H10F3N3O2
    5-hydroxy-4-hydroxyimino-3-methyl-1-phenyl-5-trifluoromethyl-4,5-dihydro-1H-pyrazole
    —— (5-chloropyrazolo[1,5-a]pyrimidin-7-yl)(1-ethylpropyl)amine 1338932-00-5 C11H15ClN4
    (5-chloropyrazolo[1,5-a]pyrimidin-7-yl)(1-ethylpropyl)amine
    —— [5-[[4-[4-[(1-methylimidazol-2-yl)methoxy]pyridin-2-yl]pyrimidin-2-yl]amino]-1H-indol-2-yl]-(4-methylpiperazin-1-yl)methanone 1391600-88-6 C28H29N9O2
    [5-[[4-[4-[(1-methylimidazol-2-yl)methoxy]pyridin-2-yl]pyrimidin-2-yl]amino]-1H-indol-2-yl]-(4-methylpiperazin-1-yl)methanone
    —— 5,6,12,13-tetrahydro-1,17-(ethano<1,3>-benzenoethano)7,11:18,22-dimethenodibenzo<a,h>cyclooctadecene 116129-64-7 C38H34
    5,6,12,13-tetrahydro-1,17-(ethano<1,3>-benzenoethano)7,11:18,22-dimethenodibenzo<a,h>cyclooctadecene
    —— 5-benzyloxy-2-(2-methoxyphenyl)-1-pentene 1082203-15-3 C19H22O2
    5-benzyloxy-2-(2-methoxyphenyl)-1-pentene
    —— 5-fluoro-N-(2-morpholinoethyl)-2,4-dinitroaniline 1322564-59-9 C12H15FN4O5
    5-fluoro-N-(2-morpholinoethyl)-2,4-dinitroaniline
    —— 5-Fluoro-1-(phenylsulfonyl)-4-azaindole 1260381-54-1 C13H9FN2O2S
    5-Fluoro-1-(phenylsulfonyl)-4-azaindole
    —— 5-o-tolylheptan-3-one 1301726-55-5 C14H20O
    5-o-tolylheptan-3-one
    —— 5-(2-Dimethylaminomethyl-phenyl)-5,6,11,12-tetrahydro-dibenzo[a,e]cycloocten-5-ol 16435-44-2 C25H27NO
    5-(2-Dimethylaminomethyl-phenyl)-5,6,11,12-tetrahydro-dibenzo[a,e]cycloocten-5-ol