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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-methyl-1-propylindolin-2-one 1629166-48-8 C12H15NO
    5-methyl-1-propylindolin-2-one
    —— 5-[(2,4-dioxothiazolidin-5-yl)methyl]-2-(4-methylthiobenzyl)benzoxazole 118384-27-3 C19H16N2O3S2
    5-[(2,4-dioxothiazolidin-5-yl)methyl]-2-(4-methylthiobenzyl)benzoxazole
    —— [5-[2-(Tert-butylamino)acetyl]-2-(2,2-dimethylpropanoyloxy)phenyl]methyl 2,2-dimethylpropanoate 34715-24-7 C23H35NO5
    [5-[2-(Tert-butylamino)acetyl]-2-(2,2-dimethylpropanoyloxy)phenyl]methyl 2,2-dimethylpropanoate
    —— 5-[[2-[(6-Methoxynaphthalen-2-yl)methyl]-1,3-benzoxazol-5-yl]methyl]-1,3-thiazolidine-2,4-dione 118384-24-0 C23H18N2O4S
    5-[[2-[(6-Methoxynaphthalen-2-yl)methyl]-1,3-benzoxazol-5-yl]methyl]-1,3-thiazolidine-2,4-dione
    —— 5-methyl-2,3,3a,4-tetrahydroinden-1-one 75781-85-0 C10H12O
    5-methyl-2,3,3a,4-tetrahydroinden-1-one
    —— 5-hydroxy-3-[3-(4-methyl-benzo[b]thiophen-3-ylmethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-pentanoic acid methyl ester 1090902-77-4 C23H24N2O4S
    5-hydroxy-3-[3-(4-methyl-benzo[b]thiophen-3-ylmethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-pentanoic acid methyl ester
    —— 5-hydroxy-3-[3-(4-methyl-benzo[b]thiophen-3-ylmethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-pentanoic acid 1090896-26-6 C22H22N2O4S
    5-hydroxy-3-[3-(4-methyl-benzo[b]thiophen-3-ylmethyl)-2-oxo-2,3-dihydro-benzimidazol-1-yl]-pentanoic acid
    —— 5-(4-methyl-anilino)-4-<i>p</i>-tolyl-2,4-dihydro-[1,2,4]triazole-3-thione 17076-46-9 C16H16N4S
    5-(4-methyl-anilino)-4-<i>p</i>-tolyl-2,4-dihydro-[1,2,4]triazole-3-thione
    —— 5-bromo-5-[4-(4-iodo phenoxy)phenyl]pyrimidine-2,4,6-trione 852631-25-5 C16H10BrIN2O4
    5-bromo-5-[4-(4-iodo phenoxy)phenyl]pyrimidine-2,4,6-trione
    —— 5-dimethoxymethyl-8-methyl-2,6-dioxa-4-aza-bicyclo[3.3.1]nonan-3-one 53250-21-8 C10H17NO5
    5-dimethoxymethyl-8-methyl-2,6-dioxa-4-aza-bicyclo[3.3.1]nonan-3-one
    —— 5'-nitrospiro[tricyclo[3.3.1.1<sup>3,7</sup>]decane-2,2'(2'H)[1]benzopyran]-6'-amine 629622-11-3 C18H20N2O3
    5'-nitrospiro[tricyclo[3.3.1.1<sup>3,7</sup>]decane-2,2'(2'H)[1]benzopyran]-6'-amine
    —— 5'-nitrospiro[tricyclo[3.3.1.1<sup>3,7</sup>]decane-2,2'(2'H)[1]benzopyran]-6'-acetamide 629622-06-6 C20H22N2O4
    5'-nitrospiro[tricyclo[3.3.1.1<sup>3,7</sup>]decane-2,2'(2'H)[1]benzopyran]-6'-acetamide
    —— 5-allyl-6-(1-allyl-2-oxo-3-quinolyl)-8,9,10,11-tetrahydro-6H-benzo[b][1,4]benzodiazepin-7-one 1380517-91-8 C28H27N3O2
    5-allyl-6-(1-allyl-2-oxo-3-quinolyl)-8,9,10,11-tetrahydro-6H-benzo[b][1,4]benzodiazepin-7-one
    —— 5-chloro-3-(3,5-dimethyl-1H-1,2,4-triazol-1-yl)pyridazine 1429635-23-3 C8H8ClN5
    5-chloro-3-(3,5-dimethyl-1H-1,2,4-triazol-1-yl)pyridazine
    —— 5-chloro-3-deuterio-2-methylthiophene 183007-02-5 C5H5ClS
    5-chloro-3-deuterio-2-methylthiophene
    —— 5-bromo-3-(2-(5-chloro-2-methylthiophen-3-yl)cyclopent-1-enyl)-2-methylbenzo[b]thiophene 1312292-04-8 C19H16BrClS2
    5-bromo-3-(2-(5-chloro-2-methylthiophen-3-yl)cyclopent-1-enyl)-2-methylbenzo[b]thiophene
    —— 5-Methyl-alpha-((5-nitro-2-furanyl)methylene)-1H-benzimidazole-2-acetonitrile 57319-83-2 C15H10N4O3
    5-Methyl-alpha-((5-nitro-2-furanyl)methylene)-1H-benzimidazole-2-acetonitrile
    —— 5-(5-chloro-2-methylthiophen-3-yl)-5-oxopentanoic acid 1314044-02-4 C10H11ClO3S
    5-(5-chloro-2-methylthiophen-3-yl)-5-oxopentanoic acid
    —— (5-chloro-2-methylthiophen-3-yl)boronic acid 1370478-00-4 C5H6BClO2S
    (5-chloro-2-methylthiophen-3-yl)boronic acid
    —— 5''-chloro-2,2''-dimethyl-2',5'-dihydro[3,3':4',3''-terthiophene]-5-carbaldehyde 528604-89-9 C15H13ClOS3
    5''-chloro-2,2''-dimethyl-2',5'-dihydro[3,3':4',3''-terthiophene]-5-carbaldehyde
    —— 5-(3-fluorobenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione 23160-09-0 C13H11FO4
    5-(3-fluorobenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione
    —— 5-chloro-3-iodo-2-methylthiophene 183007-00-3 C5H4ClIS
    5-chloro-3-iodo-2-methylthiophene
    —— 5-formyl-4a-(((carbomethoxymethyl)dithio)methyl)-4a,5-dihydro-3-methyllumiflavin 89322-28-1 C19H22N4O5S2
    5-formyl-4a-(((carbomethoxymethyl)dithio)methyl)-4a,5-dihydro-3-methyllumiflavin
    —— 5α-Cholesta-2,7-dien 6673-64-9 C27H44
    5α-Cholesta-2,7-dien
    —— 5-allyl-5-cyclohex-2-enyl-pyrimidine-2,4,6-trione 77409-34-8 C13H16N2O3
    5-allyl-5-cyclohex-2-enyl-pyrimidine-2,4,6-trione
    —— 5-cyclopentyl-5-(2-diethylamino-ethyl)-barbituric acid 6323-41-7 C15H25N3O3
    5-cyclopentyl-5-(2-diethylamino-ethyl)-barbituric acid
    —— 5-amino-1-<i>p</i>-tolyl-1<i>H</i>-pyrazole-4-carboxylic acid amide 100061-56-1 C11H12N4O
    5-amino-1-<i>p</i>-tolyl-1<i>H</i>-pyrazole-4-carboxylic acid amide
    —— 5-[4-[2-(5-Methyl-2-phenyl-4-oxazolyl)-ethylthio]benzyl]thiazolidine-2,4-dione 132451-22-0 C22H20N2O3S2
    5-[4-[2-(5-Methyl-2-phenyl-4-oxazolyl)-ethylthio]benzyl]thiazolidine-2,4-dione
    —— 5-benzyl-pyrimidine-2,4,6-triamine 24867-31-0 C11H13N5
    5-benzyl-pyrimidine-2,4,6-triamine
    —— 5-<4-<<2-(5-methyl-2-phenyl-4-oxazolyl)ethyl>sulfonyl>benzyl>thiazolidine-2,4-dione 141200-66-0 C22H20N2O5S2
    5-<4-<<2-(5-methyl-2-phenyl-4-oxazolyl)ethyl>sulfonyl>benzyl>thiazolidine-2,4-dione
    —— 5-<<4-<<2-(5-methyl-2-phenyl-4-oxazolyl)ethyl>thio>phenyl>methylene>thiazolidine-2,4-dione 132451-21-9 C22H18N2O3S2
    5-<<4-<<2-(5-methyl-2-phenyl-4-oxazolyl)ethyl>thio>phenyl>methylene>thiazolidine-2,4-dione
    —— 5,7-dibromobenzo-1,2,3,4-tetrazine 1,3-dioxide 473895-50-0 C6H2Br2N4O2
    5,7-dibromobenzo-1,2,3,4-tetrazine 1,3-dioxide
    —— 5'a-hydroxy-tetrahydro-spiro[cyclohexane-1,3'-oxazirino[3,2-<i>j</i>]quinazolin]-5'-one 61889-66-5 C13H20N2O3
    5'a-hydroxy-tetrahydro-spiro[cyclohexane-1,3'-oxazirino[3,2-<i>j</i>]quinazolin]-5'-one
    —— 5-methyl-2-phenyl-2<i>H</i>-pyrazole-3,4-dione 4-<i>p</i>-tolylhydrazone 16335-61-8 C17H16N4O
    5-methyl-2-phenyl-2<i>H</i>-pyrazole-3,4-dione 4-<i>p</i>-tolylhydrazone
    —— 5-amino-4-benzoyl-3-ethoxybenzoic acid 51574-91-5 C16H15NO4
    5-amino-4-benzoyl-3-ethoxybenzoic acid
    —— 5-(2-Chloro-4-fluorophenyl)-1,2,4-triazin-3-amine 107128-49-4 C9H6ClFN4
    5-(2-Chloro-4-fluorophenyl)-1,2,4-triazin-3-amine
    —— 5-(5-(5-aminopyridin-3-yl)thiazol-2-yl)-2-methylisoindolin-1-one 1567838-14-5 C17H14N4OS
    5-(5-(5-aminopyridin-3-yl)thiazol-2-yl)-2-methylisoindolin-1-one
    —— [[(5-chloro-2-pyridinyl)amino]methylene]-1,1-bisphosphonate —— C6H9ClN2O6P2
    [[(5-chloro-2-pyridinyl)amino]methylene]-1,1-bisphosphonate
    —— 5-<(diethylmethylsilyl)oxy>-4-methyl-4-pentenoic acid diethylmethylsilyl ester 84454-56-8 C16H34O3Si2
    5-<(diethylmethylsilyl)oxy>-4-methyl-4-pentenoic acid diethylmethylsilyl ester
    —— 5-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)isoquinoline 2-oxide 1192829-64-3 C20H16ClN3O3
    5-(5-{3-chloro-4-[(1-methylethyl)oxy]phenyl}-1,2,4-oxadiazol-3-yl)isoquinoline 2-oxide
    —— 5-Methyl-2-trimethylsilylaniline 202744-95-4 C10H17NSi
    5-Methyl-2-trimethylsilylaniline
    —— 5-[(Z)-but-2-enyl]-5-[(E)-but-2-enyl]-1,3-diazinane-2,4,6-trione 14010-10-7 C12H16N2O3
    5-[(Z)-but-2-enyl]-5-[(E)-but-2-enyl]-1,3-diazinane-2,4,6-trione
    —— 5-ethoxycarbonyl-4-(2,4,5-trimethoxyphenyl)-6-methyl-3,4-dihydro-pyrimidin-2(1H)-one 331711-91-2 C17H22N2O6
    5-ethoxycarbonyl-4-(2,4,5-trimethoxyphenyl)-6-methyl-3,4-dihydro-pyrimidin-2(1H)-one
    —— 5-(3,4-methylenedioxyphenylsulfanyl)imidazolidine-2,4-dione 164524-45-2 C10H8N2O4S
    5-(3,4-methylenedioxyphenylsulfanyl)imidazolidine-2,4-dione
    —— 5-benzylidene-2-morpholino-1,3-thiazol-4(5H)-one 36937-44-7 C14H14N2O2S
    5-benzylidene-2-morpholino-1,3-thiazol-4(5H)-one
    —— 5-Amino-6-(4-ethyl-2-thiazolylthio)-3H-isobenzofuran-1-one 181485-52-9 C13H12N2O2S2
    5-Amino-6-(4-ethyl-2-thiazolylthio)-3H-isobenzofuran-1-one
    —— 5'-chlorospiro[3,4-dihydrochromene-2,2'-3H-1-benzofuran] 1033366-39-0 C16H13ClO2
    5'-chlorospiro[3,4-dihydrochromene-2,2'-3H-1-benzofuran]
    —— 5-(3-trifluoromethyl-phenoxy)-1<i>H</i>-pyrimidin-2-one 41963-97-7 C11H7F3N2O2
    5-(3-trifluoromethyl-phenoxy)-1<i>H</i>-pyrimidin-2-one
    —— 5-acetyl-dihydro-pyrimidine-2,4-dione 17017-94-6 C6H8N2O3
    5-acetyl-dihydro-pyrimidine-2,4-dione
    —— 5-hydroxypentyl 2-[4-[N-(6-chloro-3-pyridyl)methyl-N-ethylamino]-3-methyl-5-nitro-1,2,3,6-tetrahydropyrimidin-1-yl]acetate 1398523-93-7 C20H30ClN5O5
    5-hydroxypentyl 2-[4-[N-(6-chloro-3-pyridyl)methyl-N-ethylamino]-3-methyl-5-nitro-1,2,3,6-tetrahydropyrimidin-1-yl]acetate