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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Carbethoxy-2,3-diphenyl-4-hydroxypyridin 63514-29-4 C20H17NO3
    5-Carbethoxy-2,3-diphenyl-4-hydroxypyridin
    —— 5-Oxo-6,8-dimethyl-5,8-dihydro-tetrazolo<5,4-c>-as-triazin 61788-10-1 C5H6N6O
    5-Oxo-6,8-dimethyl-5,8-dihydro-tetrazolo<5,4-c>-as-triazin
    —— 5-(2-acetylamino-ethylamino)-3-amino-6-chloro-pyrazine-2-carboxylic acid hydrazide 27250-72-2 C9H14ClN7O2
    5-(2-acetylamino-ethylamino)-3-amino-6-chloro-pyrazine-2-carboxylic acid hydrazide
    —— 5-Amino-2-(4-fluoro-phenyl)-1H-imidazole-4-carboxylic acid methyl ester; hydrochloride 36134-09-5 C11H10FN3O2*ClH
    5-Amino-2-(4-fluoro-phenyl)-1H-imidazole-4-carboxylic acid methyl ester; hydrochloride
    —— 5-Acetylamino-2,4,6-triiodo-N-methyl-isophthalamic acid methyl ester 1955-05-1 C12H11I3N2O4
    5-Acetylamino-2,4,6-triiodo-N-methyl-isophthalamic acid methyl ester
    —— (5-benzyl-4-ethyl-4<i>H</i>-[1,2,4]triazole-3-carbonyl)-piperidine 21791-24-2 C17H22N4O
    (5-benzyl-4-ethyl-4<i>H</i>-[1,2,4]triazole-3-carbonyl)-piperidine
    —— 5-[4-(4-Nitro-phenylcarbamoyl)-butoxy]-pentanoyl chloride 3134-73-4 C16H21ClN2O5
    5-[4-(4-Nitro-phenylcarbamoyl)-butoxy]-pentanoyl chloride
    —— 5,9,9-triethoxy-1-azabicyclo<3.3.1>nonane 117375-14-1 C14H27NO3
    5,9,9-triethoxy-1-azabicyclo<3.3.1>nonane
    —— 5-{2-[4-amino-5-(4-fluorophenylcarbamoyl)pyrimidin-2-ylsulfanyl]acetoxymethyl}-isophthalic acid diethyl ester 923292-75-5 C26H25FN4O7S
    5-{2-[4-amino-5-(4-fluorophenylcarbamoyl)pyrimidin-2-ylsulfanyl]acetoxymethyl}-isophthalic acid diethyl ester
    —— (5S,11aR)-2-tert-butyl-5-(pyridin-3-yl)-5,6,11,11a-tetrahydro-1H-imidazo[1',5':1,6]pyrido[3,4-b]indole-1,3(2H)-dione 1262427-46-2 C22H22N4O2
    (5S,11aR)-2-tert-butyl-5-(pyridin-3-yl)-5,6,11,11a-tetrahydro-1H-imidazo[1',5':1,6]pyrido[3,4-b]indole-1,3(2H)-dione
    —— 5-(3-trifluoroacetamidoprop-2-en-1-yl)-5'-O-(4,4'-dimethoxytrityl)-2'-O-tert-butyldimethylsilyluridine 1269413-28-6 C41H48F3N3O9Si
    5-(3-trifluoroacetamidoprop-2-en-1-yl)-5'-O-(4,4'-dimethoxytrityl)-2'-O-tert-butyldimethylsilyluridine
    —— 5-(1-Hydroxyethyl)-uridin 73351-51-6 C11H16N2O7
    5-(1-Hydroxyethyl)-uridin
    —— 5-phenyl-3-(4-thien-2-ylbut-3-ynyloxy)-1,2,4-triazine 949102-82-3 C17H13N3OS
    5-phenyl-3-(4-thien-2-ylbut-3-ynyloxy)-1,2,4-triazine
    —— (5-methyl-2,4-dinitro-phenyl)-p-tolyl sulfide 107917-23-7 C14H12N2O4S
    (5-methyl-2,4-dinitro-phenyl)-p-tolyl sulfide
    —— (5-chloro-1-oxo-3,4-dihydro-1H-2-thia-9-azafluoren-9-yl)acetic acid tert-butyl ester 1161934-27-5 C17H18ClNO3S
    (5-chloro-1-oxo-3,4-dihydro-1H-2-thia-9-azafluoren-9-yl)acetic acid tert-butyl ester
    —— 5-<2-(5-Chlor-2-aethoxy-benzamido)-aethyl>-2-methyl-benzoesaeure 66712-05-8 C19H20ClNO4
    5-<2-(5-Chlor-2-aethoxy-benzamido)-aethyl>-2-methyl-benzoesaeure
    —— 5-Bromo-1-ethyl-2-oxo-2,3-dihydro-1H-indole-3-carboxylic acid (2-fluoro-phenyl)-amide 32866-66-3 C17H14BrFN2O2
    5-Bromo-1-ethyl-2-oxo-2,3-dihydro-1H-indole-3-carboxylic acid (2-fluoro-phenyl)-amide
    —— 5,6,7-Trimethoxy-3,4-dihydro-naphthalene-2-carboxylic acid ethyl ester 69791-83-9 C16H20O5
    5,6,7-Trimethoxy-3,4-dihydro-naphthalene-2-carboxylic acid ethyl ester
    —— 5'-[(4-chlorophenyl)(hydroxy)methyl]-1'-(cyclopropylmethyl)spiro[1,3-dioxane-2,3'-indol]-2'(1'H)-one 1239672-49-1 C22H22ClNO4
    5'-[(4-chlorophenyl)(hydroxy)methyl]-1'-(cyclopropylmethyl)spiro[1,3-dioxane-2,3'-indol]-2'(1'H)-one
    —— 5'-[(3,3-difluoropyrrolidin-1-yl)sulfonyl]-1'-(3-fluorophenyl)spiro[1,3-dioxane-2,3'-indol]-2'(1'H)-one 1234337-06-4 C21H19F3N2O5S
    5'-[(3,3-difluoropyrrolidin-1-yl)sulfonyl]-1'-(3-fluorophenyl)spiro[1,3-dioxane-2,3'-indol]-2'(1'H)-one
    —— (5-Chloro-3-phenyl-1H-indol-2-yl)-(4-nitro-phenyl)-methanone 37600-84-3 C21H13ClN2O3
    (5-Chloro-3-phenyl-1H-indol-2-yl)-(4-nitro-phenyl)-methanone
    —— 5-Chloro-2-hydroxy-biphenyl-3-carboxylic acid (3-chloro-phenyl)-amide 5213-00-3 C19H13Cl2NO2
    5-Chloro-2-hydroxy-biphenyl-3-carboxylic acid (3-chloro-phenyl)-amide
    —— 5-ethoxycarbonyloxy-2,4-dimethyl-pyrrole-1,3-dicarboxylic acid diethyl ester 62264-96-4 C15H21NO7
    5-ethoxycarbonyloxy-2,4-dimethyl-pyrrole-1,3-dicarboxylic acid diethyl ester
    —— 5-[(5-Bromopyrimidin-2-yl)oxy]-2-chlorobenzoic acid 1989994-60-6 C11H6BrClN2O3
    5-[(5-Bromopyrimidin-2-yl)oxy]-2-chlorobenzoic acid
    —— 5-(2-amino-5-chloro-6-oxo-1H-pyrimidin-4-yl)-3-methyl-2-(oxolan-3-ylmethoxy)benzonitrile 1574394-69-6 C17H17ClN4O3
    5-(2-amino-5-chloro-6-oxo-1H-pyrimidin-4-yl)-3-methyl-2-(oxolan-3-ylmethoxy)benzonitrile
    —— 5,14-dibromo-6,13-diphenyl-5,14-dihydro-pentacene 861013-90-3 C34H22Br2
    5,14-dibromo-6,13-diphenyl-5,14-dihydro-pentacene
    —— 5-Chloro-6-methoxy-2-methyl-β-carbolinium chloride 136247-75-1 C13H12ClN2O*Cl
    5-Chloro-6-methoxy-2-methyl-β-carbolinium chloride
    —— 5-chloro-2-vinylbiphenyl 1372790-75-4 C14H11Cl
    5-chloro-2-vinylbiphenyl
    —— 5-(4-bromo-5-hydroxy-2-methylphenoxy)-3-cyclopropyl-1-methyl-1H-pyrazole-4-carbonitrile 1043920-87-1 C15H14BrN3O2
    5-(4-bromo-5-hydroxy-2-methylphenoxy)-3-cyclopropyl-1-methyl-1H-pyrazole-4-carbonitrile
    —— 5-(4-chloro-phenyl)-5-isopropyl-5<i>H</i>-tetrazolo[5,1-<i>a</i>]isoindole 36037-77-1 C17H15ClN4
    5-(4-chloro-phenyl)-5-isopropyl-5<i>H</i>-tetrazolo[5,1-<i>a</i>]isoindole
    —— 5-acetyl-2-(4-chloro-phenyl)-1,2,4,5,6,7-hexahydro-pyrazolo[4,3-<i>c</i>]pyridin-3-one 65872-20-0 C14H14ClN3O2
    5-acetyl-2-(4-chloro-phenyl)-1,2,4,5,6,7-hexahydro-pyrazolo[4,3-<i>c</i>]pyridin-3-one
    —— 5-Brom-1-(3-hydroxypropyl)-3,6-dimethyl-1H-indazol-4,7-dion 81930-55-4 C12H13BrN2O3
    5-Brom-1-(3-hydroxypropyl)-3,6-dimethyl-1H-indazol-4,7-dion
    —— (5,5-dimethyl-bicyclo[4.1.0]hept-2-en-2-yloxy)-trimethyl-silane 1392196-74-5 C12H22OSi
    (5,5-dimethyl-bicyclo[4.1.0]hept-2-en-2-yloxy)-trimethyl-silane
    —— 5-{4-(4-cyanophenyl)piperidine-1-carbonyl}-2-methyl-N-((tetrahydrofuran-2-yl)methyl)benzamide 1399178-46-1 C26H29N3O3
    5-{4-(4-cyanophenyl)piperidine-1-carbonyl}-2-methyl-N-((tetrahydrofuran-2-yl)methyl)benzamide
    —— 5-[3-(4-Fluorophenyl)-7-(3-methyl-1,2-oxazol-5-yl)-4-oxoquinazolin-2-yl]pentanoic acid 1373274-80-6 C23H20FN3O4
    5-[3-(4-Fluorophenyl)-7-(3-methyl-1,2-oxazol-5-yl)-4-oxoquinazolin-2-yl]pentanoic acid
    —— 5-(3-(5-((morpholin-4-yl)carbonyl)pyridin-3-yl)-1H-indol-5-yl)-1,3,4-oxadiazol-2-amine 1401346-09-5 C20H18N6O3
    5-(3-(5-((morpholin-4-yl)carbonyl)pyridin-3-yl)-1H-indol-5-yl)-1,3,4-oxadiazol-2-amine
    —— 5-chloro-3-(4-fluorophenyl)-2-[(2S)-1-(5-methylsulfinyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)azetidin-2-yl]pyrrolo[2,1-f][1,2,4]triazin-4-one 1549736-64-2 C22H17ClFN7O2S
    5-chloro-3-(4-fluorophenyl)-2-[(2S)-1-(5-methylsulfinyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)azetidin-2-yl]pyrrolo[2,1-f][1,2,4]triazin-4-one
    —— (5R)-(-)-N-methyl-3-(2,3-dihydro-3-isopropyl-2-oxo-6-benzoxazolyl)-2-oxo-5-oxazolidinecarboxamide 590421-22-0 C15H17N3O5
    (5R)-(-)-N-methyl-3-(2,3-dihydro-3-isopropyl-2-oxo-6-benzoxazolyl)-2-oxo-5-oxazolidinecarboxamide
    —— 5-(3-cyclohexenyl)-2,5-dihydro-10-ethenyl-2,2,4-trimethyl-1H-[1]benzopyrano[3,4-f]quinoline 1026058-15-0 C27H29NO
    5-(3-cyclohexenyl)-2,5-dihydro-10-ethenyl-2,2,4-trimethyl-1H-[1]benzopyrano[3,4-f]quinoline
    —— 5-bromo-7-cyclohexylmethyl-3,3-dimethyl-2,3-dihydro-benzofuran 623176-26-1 C17H23BrO
    5-bromo-7-cyclohexylmethyl-3,3-dimethyl-2,3-dihydro-benzofuran
    —— 5-Amino-1-(2-methoxycarbonyl-aethyl)-tetrazol 35722-41-9 C5H9N5O2
    5-Amino-1-(2-methoxycarbonyl-aethyl)-tetrazol
    —— 5-(4-amino-3-fluorophenyl)-7-(1-benzyl-4-piperidyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine 262442-66-0 C24H25FN6
    5-(4-amino-3-fluorophenyl)-7-(1-benzyl-4-piperidyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine
    —— (5R,6R)-5-((1E,3E)-15-(1,3-dioxolan-2-yl)pentadeca-1,3-dien-5,8,11-triyn-1-yl)-6-ethyl-2,2,3,3,8,8,9,9-octamethyl-4,7-dioxa-3,8-disiladecane 1360805-84-0 C34H56O4Si2
    (5R,6R)-5-((1E,3E)-15-(1,3-dioxolan-2-yl)pentadeca-1,3-dien-5,8,11-triyn-1-yl)-6-ethyl-2,2,3,3,8,8,9,9-octamethyl-4,7-dioxa-3,8-disiladecane
    —— 5-Pregnen-3β,21-diol-20-on-21-(12-hydroxystearat) 106386-07-6 C39H66O5
    5-Pregnen-3β,21-diol-20-on-21-(12-hydroxystearat)
    —— (5'R,6aR,6bS,8aS,8bR,9S,10R,11aS,12aS,12bS)-5',6a,8a,9-tetramethyl-3',4',5',6,6a,6b,6',7,8,8a,8b,9,11a,12,12a,12b-hexadecahydrospiro[naphtho[2',1':4,5]indeno[2,1-b]furan-10,2'-pyran]-2(1H)-one 86678-34-4 C27H38O3
    (5'R,6aR,6bS,8aS,8bR,9S,10R,11aS,12aS,12bS)-5',6a,8a,9-tetramethyl-3',4',5',6,6a,6b,6',7,8,8a,8b,9,11a,12,12a,12b-hexadecahydrospiro[naphtho[2',1':4,5]indeno[2,1-b]furan-10,2'-pyran]-2(1H)-one
    —— 5-((7-methoxy-2-(piperidin-1-yl)quinolin-3-yl)methylene)-2,4-thiazolidinedione 1266389-70-1 C19H19N3O3S
    5-((7-methoxy-2-(piperidin-1-yl)quinolin-3-yl)methylene)-2,4-thiazolidinedione
    —— 5-(4-cyclohexylthiazol-2-yl)-6-ethyl-4-(4-fluoro-3-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one 1224736-18-8 C21H24FN3O2S
    5-(4-cyclohexylthiazol-2-yl)-6-ethyl-4-(4-fluoro-3-hydroxyphenyl)-3,4-dihydropyrimidin-2(1H)-one
    —— 5'-diacetylamino-2'-hydroxy-4',6'-dimethoxyacetophenone 81325-96-4 C14H17NO6
    5'-diacetylamino-2'-hydroxy-4',6'-dimethoxyacetophenone
    —— 5-(5-phenyl-1,3,4-thiadiazol-2-yl)-1-tosyl-1H-indol-3-yl-boronic acid 1401349-62-9 C23H18BN3O4S2
    5-(5-phenyl-1,3,4-thiadiazol-2-yl)-1-tosyl-1H-indol-3-yl-boronic acid
    —— 5-ethylsulfanyl-2,3-dihydro-benzo[<i>f</i>][1,4]oxazepine 21227-98-5 C11H13NOS
    5-ethylsulfanyl-2,3-dihydro-benzo[<i>f</i>][1,4]oxazepine