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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-(but-2-ynylamino)-1,3-dimethylpyridine-2,4(1H,3H)-dione 1286272-54-5 C10H13N3O2
    5-(but-2-ynylamino)-1,3-dimethylpyridine-2,4(1H,3H)-dione
    —— 5-[6-chloro-pyridazin-3(2H)-one-2-yl]-pentanoic acid 346407-11-2 C9H11ClN2O3
    5-[6-chloro-pyridazin-3(2H)-one-2-yl]-pentanoic acid
    —— (5R,9S)-tert-butyl 9-(4-bromophenyl)-3-(3,5-dichlorophenyl)-1-methyl-2,4-dioxo-1,3,7-triazaspiro[4.4]nonane-7-carboxylate 1196060-22-6 C24H24BrCl2N3O4
    (5R,9S)-tert-butyl 9-(4-bromophenyl)-3-(3,5-dichlorophenyl)-1-methyl-2,4-dioxo-1,3,7-triazaspiro[4.4]nonane-7-carboxylate
    —— 5-{[Ethyl-(2-methyl-4-oxo-3,4-dihydro-quinazolin-6-yl)-amino]-methyl}-thiophene-2-carboxylic acid 133446-77-2 C17H17N3O3S
    5-{[Ethyl-(2-methyl-4-oxo-3,4-dihydro-quinazolin-6-yl)-amino]-methyl}-thiophene-2-carboxylic acid
    —— 5-(2-(1-allyloxypropyn-3-yl)phenyl)-1-tert-butyldimethylsiloxypent-4-yne 156093-13-9 C23H32O2Si
    5-(2-(1-allyloxypropyn-3-yl)phenyl)-1-tert-butyldimethylsiloxypent-4-yne
    —— (5S,7R)-4,5,6,7-tetrahydro-7-methyl-7-phenylbenzo[b]thiophene-5-carbaldehyde 1235542-13-8 C16H16OS
    (5S,7R)-4,5,6,7-tetrahydro-7-methyl-7-phenylbenzo[b]thiophene-5-carbaldehyde
    —— 5-(2-hydroxy-4-methoxyphenyl)-6-(3,5-diisopropyl-4-hydroxyphenyl)imidazo[1,2-a]pyrimidine 1357294-51-9 C25H27N3O3
    5-(2-hydroxy-4-methoxyphenyl)-6-(3,5-diisopropyl-4-hydroxyphenyl)imidazo[1,2-a]pyrimidine
    —— 5-[tert-butyl(dimethyl)silyl]oxy-3-methylcyclopent-2-en-1-one 85972-47-0 C12H22O2Si
    5-[tert-butyl(dimethyl)silyl]oxy-3-methylcyclopent-2-en-1-one
    —— 5-{[2-(1H-benzimidazol-2-yl)pyridin-4-yl]oxy}-N-(2-fluorophenyl)-1-methyl-1H-benzimidazol-2-amine 611223-45-1 C26H19FN6O
    5-{[2-(1H-benzimidazol-2-yl)pyridin-4-yl]oxy}-N-(2-fluorophenyl)-1-methyl-1H-benzimidazol-2-amine
    —— 5-benzo[1,3]dioxol-5-ylmethyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-<i>g</i>]isoquinoline 36295-51-9 C18H17NO4
    5-benzo[1,3]dioxol-5-ylmethyl-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-<i>g</i>]isoquinoline
    —— 5-(Benzo[d]thiazol-2-yl)-6-(((1R,2S,3R,4R)-2,3-dihydroxy-4-(hydroxymethyl)cyclopentyl)amino)-2-(pyrimidin-5-ylamino)pyrimidin-4(3H)-one-HCl 1433150-73-2 C21H21N7O4S*ClH
    5-(Benzo[d]thiazol-2-yl)-6-(((1R,2S,3R,4R)-2,3-dihydroxy-4-(hydroxymethyl)cyclopentyl)amino)-2-(pyrimidin-5-ylamino)pyrimidin-4(3H)-one-HCl
    —— 5-nitro-4-(phenylthio)phthalodinitrile 370067-36-0 C14H7N3O2S
    5-nitro-4-(phenylthio)phthalodinitrile
    —— 5-{(Z)-2-[6-(2-Dimethylamino-ethyl)-benzo[1,3]dioxol-5-yl]-1-propylsulfanyl-vinyl}-benzo[1,3]dioxole-4-carboxylic acid 135531-83-8 C24H27NO6S
    5-{(Z)-2-[6-(2-Dimethylamino-ethyl)-benzo[1,3]dioxol-5-yl]-1-propylsulfanyl-vinyl}-benzo[1,3]dioxole-4-carboxylic acid
    —— 5-methyl-3,4-diphenyl-4H-1,2,4-benzoselenadiazine 85616-08-6 C20H16N2Se
    5-methyl-3,4-diphenyl-4H-1,2,4-benzoselenadiazine
    —— 5,6,7-Trichlor-8-benzoyloxy-chinolin 94428-85-0 C16H8Cl3NO2
    5,6,7-Trichlor-8-benzoyloxy-chinolin
    —— 5-Benzoyl-2,3-benzyliden-methyl-α,β-D-lyxofuranosid 94798-86-4 C20H20O6
    5-Benzoyl-2,3-benzyliden-methyl-α,β-D-lyxofuranosid
    —— 5-(chloromethyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile 329213-60-7 C8H5ClN4O
    5-(chloromethyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile
    —— 5-Brom-2-chloracetamido-4'-methyl-benzophenon-α-oxim 17977-91-2 C16H14BrClN2O2
    5-Brom-2-chloracetamido-4'-methyl-benzophenon-α-oxim
    —— 5-(p-chlorophenyl)-3-mesitylisoxazol-4-yl(phenyl)iodonium toluene-p-sulphonate 123549-80-4 C7H7O3S*C24H20ClINO
    5-(p-chlorophenyl)-3-mesitylisoxazol-4-yl(phenyl)iodonium toluene-p-sulphonate
    —— 5-(4-fluorophenyl)-3-hydroxy-3,4-dihydropyrrol-2-one 1382998-47-1 C10H8FNO2
    5-(4-fluorophenyl)-3-hydroxy-3,4-dihydropyrrol-2-one
    —— 5-(Bromomethyl)-3-(2-methoxynaphthalen-1-yl)-1,2-oxazole 1432679-47-4 C15H12BrNO2
    5-(Bromomethyl)-3-(2-methoxynaphthalen-1-yl)-1,2-oxazole
    —— 5-amino-2-(2,6-difluorophenyl)-N-(1-methyl-5-(1-methylpiperidin-4-yl)-1H-pyrazol-4-yl)thiazole-4-carboxamide 1338717-03-5 C20H22F2N6OS
    5-amino-2-(2,6-difluorophenyl)-N-(1-methyl-5-(1-methylpiperidin-4-yl)-1H-pyrazol-4-yl)thiazole-4-carboxamide
    —— {5-Amino-6-[4,6-diamino-3-(3,5-dihydroxy-5-methyl-4-methylamino-tetrahydro-pyran-2-yloxy)-2-hydroxy-cyclohexyloxy]-tetrahydro-pyran-2-ylmethyl}-methyl-carbamic acid benzyl ester 57271-76-8 C28H47N5O9
    {5-Amino-6-[4,6-diamino-3-(3,5-dihydroxy-5-methyl-4-methylamino-tetrahydro-pyran-2-yloxy)-2-hydroxy-cyclohexyloxy]-tetrahydro-pyran-2-ylmethyl}-methyl-carbamic acid benzyl ester
    —— 5-(tert-butyl-diphenyl-silanyloxy)-6-methoxymethoxy-8-phenyl-oct-7-en-2-yn-1-ol 916771-60-3 C32H38O4Si
    5-(tert-butyl-diphenyl-silanyloxy)-6-methoxymethoxy-8-phenyl-oct-7-en-2-yn-1-ol
    —— 5-methyl-7-exo-phenyl-6,8-dioxabicyclo<3.2.1>octan-2-one 114491-45-1 C13H14O3
    5-methyl-7-exo-phenyl-6,8-dioxabicyclo<3.2.1>octan-2-one
    —— 5,6-dideoxy-1,2-O-(isopropylidene)-3-O-(4-methoxybenzyl)-6-phenyl-α-D-ribo-hexofuranose 700870-83-3 C23H28O5
    5,6-dideoxy-1,2-O-(isopropylidene)-3-O-(4-methoxybenzyl)-6-phenyl-α-D-ribo-hexofuranose
    —— 5-ethoxy-3,4,4-trifluoro-2-methyl-hex-1-ene 56654-62-7 C9H15F3O
    5-ethoxy-3,4,4-trifluoro-2-methyl-hex-1-ene
    —— (5R,8S,10R)-6-Methylergolin-8-<N-((1S)-2-hydroxy-1-methylethyl)carboxamide> 110042-97-2 C19H25N3O2
    (5R,8S,10R)-6-Methylergolin-8-<N-((1S)-2-hydroxy-1-methylethyl)carboxamide>
    —— 5,6-Dihydro-10-methyl-6,7,9-triphenyl-phenanthridin 97828-57-4 C32H25N
    5,6-Dihydro-10-methyl-6,7,9-triphenyl-phenanthridin
    —— 5-(4-chloro-benzylidene)-2-(3-methyl-benzylamino)-thiazol-4-one 109812-36-4 C18H15ClN2OS
    5-(4-chloro-benzylidene)-2-(3-methyl-benzylamino)-thiazol-4-one
    —— 5-Diphenylmethyl-2-methoxy-benzoesaeure 94866-73-6 C21H18O3
    5-Diphenylmethyl-2-methoxy-benzoesaeure
    —— 5-<Tetrahydropyranyl-(2)-oxy>-1.1-bis-<5-methyl-furyl-(2)>pentan 94869-40-6 C20H28O4
    5-<Tetrahydropyranyl-(2)-oxy>-1.1-bis-<5-methyl-furyl-(2)>pentan
    —— 5-Benzyloxy-10-hydroxy-8-chlor-1,2,3,4-tetrahydro-4-oxo-anthryl-(2)-essigsaeure-methylester 3759-64-6 C24H21ClO5
    5-Benzyloxy-10-hydroxy-8-chlor-1,2,3,4-tetrahydro-4-oxo-anthryl-(2)-essigsaeure-methylester
    —— (5S,6S)-6-Acetylamino-1-(2-ethyl-butyryl)-5-hydroxy-1,2,5,6-tetrahydro-pyridine-3-carboxylic acid benzhydryl ester 315700-24-4 C27H32N2O5
    (5S,6S)-6-Acetylamino-1-(2-ethyl-butyryl)-5-hydroxy-1,2,5,6-tetrahydro-pyridine-3-carboxylic acid benzhydryl ester
    —— 5-(6-fluoro-1,3-benzothiazol-2-yl)-2-morpholin-4-yl-4-[[(3R)-piperidin-3-yl]amino]-1H-pyrimidin-6-one;hydrochloride 1433153-33-3 C20H23FN6O2S*ClH
    5-(6-fluoro-1,3-benzothiazol-2-yl)-2-morpholin-4-yl-4-[[(3R)-piperidin-3-yl]amino]-1H-pyrimidin-6-one;hydrochloride
    —— 5-methyl-6,6-dioxo-5,6-dihydro-6λ<sup>6</sup>-benzo[5,6][1,2]thiazino[3,4-<i>e</i>][1,3]oxazine-2,4-dione 24683-28-1 C11H8N2O5S
    5-methyl-6,6-dioxo-5,6-dihydro-6λ<sup>6</sup>-benzo[5,6][1,2]thiazino[3,4-<i>e</i>][1,3]oxazine-2,4-dione
    —— 5-O-benzyl 1-O-[[(2R,3S,5R)-5-(2,4-dioxo-5-thiophen-2-ylpyrimidin-1-yl)-3-hydroxyoxolan-2-yl]methyl] pentanedioate 177779-38-3 C25H26N2O8S
    5-O-benzyl 1-O-[[(2R,3S,5R)-5-(2,4-dioxo-5-thiophen-2-ylpyrimidin-1-yl)-3-hydroxyoxolan-2-yl]methyl] pentanedioate
    —— 5α-Hydroperoxy-7-deutero-cholesten-(6)-ol-(3β) 122316-06-7 C27H46O3
    5α-Hydroperoxy-7-deutero-cholesten-(6)-ol-(3β)
    —— 5-Benzoyl-2,4-benzyliden-D-lyxose-diisobutylmercaptal 96177-03-6 C27H36O5S2
    5-Benzoyl-2,4-benzyliden-D-lyxose-diisobutylmercaptal
    —— 5-<β-(Methyl-benzyl-amino)-ethyl>-1-phenyl-v-triazol 94068-83-4 C18H20N4
    5-<β-(Methyl-benzyl-amino)-ethyl>-1-phenyl-v-triazol
    —— 5-chloro-2-methoxy-N-[(2Z)-5-methyl-3-[(2-methyl-1,3-thiazol-4-yl)methyl]-1,3-thiazol-2(3H)-ylidene]benzamide 1187464-97-6 C17H16ClN3O2S2
    5-chloro-2-methoxy-N-[(2Z)-5-methyl-3-[(2-methyl-1,3-thiazol-4-yl)methyl]-1,3-thiazol-2(3H)-ylidene]benzamide
    —— 5-(3,4-dimethoxybenzylamino)-7-(4-formylphenyl)-2-(furan-2-yl)[1,2,4]triazolo[1,5-c]pyrimidine 677349-46-1 C25H21N5O4
    5-(3,4-dimethoxybenzylamino)-7-(4-formylphenyl)-2-(furan-2-yl)[1,2,4]triazolo[1,5-c]pyrimidine
    —— 5-amino-1-(2-chloro-6-methoxy-4-trifluoromethylphenyl)-3-cyano-4-trifluoromethylthiopyrazole 865854-72-4 C13H7ClF6N4OS
    5-amino-1-(2-chloro-6-methoxy-4-trifluoromethylphenyl)-3-cyano-4-trifluoromethylthiopyrazole
    —— 5-benzyl-3,4,5,6,7,8-hexahydro-1<i>H</i>-pyrido[3,2-<i>b</i>]indole-2,9-dione 68970-65-0 C18H18N2O2
    5-benzyl-3,4,5,6,7,8-hexahydro-1<i>H</i>-pyrido[3,2-<i>b</i>]indole-2,9-dione
    —— <5-<3'-(dimethyl-t-butylsilyloxy)oct-1'-ynyl>-4-hydroxy-cyclopent-2-enyl>acetaldehyde 100578-01-6 C21H36O3Si
    <5-<3'-(dimethyl-t-butylsilyloxy)oct-1'-ynyl>-4-hydroxy-cyclopent-2-enyl>acetaldehyde
    —— 5b-cholestane-3β,5-diol 3-monobenzoate 109003-94-3 C34H52O3
    5b-cholestane-3β,5-diol 3-monobenzoate
    —— 5-(4'-Methoxyphenyl-allyl)methylamino-1H-1,2,4-triazole 130750-40-2 C13H16N4O
    5-(4'-Methoxyphenyl-allyl)methylamino-1H-1,2,4-triazole
    —— 5-chloro-N-[(1R)-1-{4-ethyl-5-[3-(4-methylpiperazin-1-yl)phenoxy]-4H-1,2,4-triazol-3-yl}ethyl]naphthalene-2-sulfonamide 945726-43-2 C27H31ClN6O3S
    5-chloro-N-[(1R)-1-{4-ethyl-5-[3-(4-methylpiperazin-1-yl)phenoxy]-4H-1,2,4-triazol-3-yl}ethyl]naphthalene-2-sulfonamide
    —— 5-fluoro-4-imidazo[1,2-a]pyridin-3-yl-N-(3-methylphenyl)-1,3-thiazol-2-amine 785772-49-8 C17H13FN4S
    5-fluoro-4-imidazo[1,2-a]pyridin-3-yl-N-(3-methylphenyl)-1,3-thiazol-2-amine
    —— 5,6,7,8-Tetrahydro-8-isopropyl-2-methyl-4-chinolinol 56716-86-0 C13H19NO
    5,6,7,8-Tetrahydro-8-isopropyl-2-methyl-4-chinolinol