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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5'-benzoyl-2'-hydroxy-3'-methyl-trans-chalcone 95225-96-0 C23H18O3
    5'-benzoyl-2'-hydroxy-3'-methyl-trans-chalcone
    —— 5-hydroxy-2-[(naphthalen-2-ylmethyl)sulfanyl]pyrimidin-4(3H)-one 1417817-10-7 C15H12N2O2S
    5-hydroxy-2-[(naphthalen-2-ylmethyl)sulfanyl]pyrimidin-4(3H)-one
    —— 5-(4-methylpyridin-3-yl)-2-[7-(2,3,5-trifluorobenzyl)imidazo[1,5-b]pyridazin-5-yl]pyrimidin-4-amine 1337564-48-3 C23H16F3N7
    5-(4-methylpyridin-3-yl)-2-[7-(2,3,5-trifluorobenzyl)imidazo[1,5-b]pyridazin-5-yl]pyrimidin-4-amine
    —— 5-(dimethylamino)thiophene-2,3,4-tricarbonitrile 1547221-71-5 C9H6N4S
    5-(dimethylamino)thiophene-2,3,4-tricarbonitrile
    —— 5-(4-benzylpiperidine-1-carbonyl)-2-(6-chlorobenzo[b]thiophene-2-carboxamido)benzoic acid 1374777-65-7 C29H25ClN2O4S
    5-(4-benzylpiperidine-1-carbonyl)-2-(6-chlorobenzo[b]thiophene-2-carboxamido)benzoic acid
    —— 5-(tert-butyl)-3,4-dimethoxyfuran-2(5H)-one 119701-59-6 C10H16O4
    5-(tert-butyl)-3,4-dimethoxyfuran-2(5H)-one
    —— 5,7-bis(3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine 1357600-11-3 C34H32N2S3
    5,7-bis(3,4-diethylthien-2-yl)-2,3-diphenylthieno[3,4-b]pyrazine
    —— 5-hydroxy-1-methyl-3,5-diphenyl-barbituric acid 54639-06-4 C17H14N2O4
    5-hydroxy-1-methyl-3,5-diphenyl-barbituric acid
    —— 5-benzhydryl-2,4-difluorophenol 1256550-00-1 C19H14F2O
    5-benzhydryl-2,4-difluorophenol
    —— 5-methoxy-2-methylsulfanyl-1<i>H</i>-pyrimidine-4,6-dione 49668-66-8 C6H8N2O3S
    5-methoxy-2-methylsulfanyl-1<i>H</i>-pyrimidine-4,6-dione
    —— 5-Chlor-N-<2-methyl-cyclopropylcarbonyl>-anilin-2,4-disulfonsaeuredichlorid 94805-46-6 C11H10Cl3NO5S2
    5-Chlor-N-<2-methyl-cyclopropylcarbonyl>-anilin-2,4-disulfonsaeuredichlorid
    —— 5-(N-butyl-N-methylaminocarbonyl)-3-(3-methylphenyl)-6-hydroxy-1H-indazole 1001191-69-0 C20H23N3O2
    5-(N-butyl-N-methylaminocarbonyl)-3-(3-methylphenyl)-6-hydroxy-1H-indazole
    —— 5-Fluoro-2-[1-(2-hydroxy-2-methylpropyl)-1H-indazol-5-yloxy]-benzonitrile 765915-03-5 C18H16FN3O2
    5-Fluoro-2-[1-(2-hydroxy-2-methylpropyl)-1H-indazol-5-yloxy]-benzonitrile
    —— 5-Chloro-3-(4-methoxy-phenyl)-2-((R)-1-phenyl-ethyl)-isoxazolidine-5-carbonitrile 135383-46-9 C19H19ClN2O2
    5-Chloro-3-(4-methoxy-phenyl)-2-((R)-1-phenyl-ethyl)-isoxazolidine-5-carbonitrile
    —— 5-Phenyl-pentadien-(2.4)-al-semicarbazon 15812-56-3 C12H13N3O
    5-Phenyl-pentadien-(2.4)-al-semicarbazon
    —— 5-ethynyl-9-methyl-5H-benzocycloheptene 108261-93-4 C14H12
    5-ethynyl-9-methyl-5H-benzocycloheptene
    —— 5-Cyano-1-(3-cyanophenyl)-N-methyl-1H-pyrazole-4-carboxamide 98476-08-5 C13H9N5O
    5-Cyano-1-(3-cyanophenyl)-N-methyl-1H-pyrazole-4-carboxamide
    —— 5-amino-4-(7-chloro-3-oxo-1H-isoindol-2-yl)-5-oxopentanoic acid 1198299-73-8 C13H13ClN2O4
    5-amino-4-(7-chloro-3-oxo-1H-isoindol-2-yl)-5-oxopentanoic acid
    —— 5-[2-[3-(2,4-Dibromo-phenyl)-5-phenyl-3H-[1,3,4]thiadiazol-(2E)-ylidene]-prop-(E)-ylidene]-3-ethyl-2-thioxo-thiazolidin-4-one 111505-73-8 C22H17Br2N3OS3
    5-[2-[3-(2,4-Dibromo-phenyl)-5-phenyl-3H-[1,3,4]thiadiazol-(2E)-ylidene]-prop-(E)-ylidene]-3-ethyl-2-thioxo-thiazolidin-4-one
    —— 5.5-Bis-<penten-(2t)-yl>-pentanon-(4)-carbonsaeure-(1) 93154-90-6 C16H26O3
    5.5-Bis-<penten-(2t)-yl>-pentanon-(4)-carbonsaeure-(1)
    —— 5-[1-(2,2-dimethylpropyl)-3-methyl-2-oxo-2,3-dihydro-1H-benzimidazol-5-yl]nicotinonitrile 1359758-58-9 C19H20N4O
    5-[1-(2,2-dimethylpropyl)-3-methyl-2-oxo-2,3-dihydro-1H-benzimidazol-5-yl]nicotinonitrile
    —— 5-chloro-2-(2,6-dimethylphenyl)-4-methoxy-5,6,7,8-tetrahydroquinoline 1046489-11-5 C18H20ClNO
    5-chloro-2-(2,6-dimethylphenyl)-4-methoxy-5,6,7,8-tetrahydroquinoline
    —— 5-amino-2-(4-(4-nitrophenoxy)benzylidene)-7-(4-(4-nitrophenoxy)phenyl)-3-oxo-2,3-dihydro-7H-thiazolo[3,2-a]pyridine-6,8-dicarbonitrile 1160168-50-2 C34H20N6O7S
    5-amino-2-(4-(4-nitrophenoxy)benzylidene)-7-(4-(4-nitrophenoxy)phenyl)-3-oxo-2,3-dihydro-7H-thiazolo[3,2-a]pyridine-6,8-dicarbonitrile
    —— 5-Methyl-2-morpholino-1,3-dithiolylium-4-dicyanmethanid 100515-88-6 C11H11N3OS2
    5-Methyl-2-morpholino-1,3-dithiolylium-4-dicyanmethanid
    —— (5S,6R)-tert-butyl 5-hydroxy-6-(3-nitrophenyl)-4-oxo-3-((S)-1-phenylethyl)-3,4,5,6-tetrahydro-1H-azocino[5,4-b]indole-7(2H)-carboxylate 1431767-81-5 C32H33N3O6
    (5S,6R)-tert-butyl 5-hydroxy-6-(3-nitrophenyl)-4-oxo-3-((S)-1-phenylethyl)-3,4,5,6-tetrahydro-1H-azocino[5,4-b]indole-7(2H)-carboxylate
    —— 5-{1-[3,5-bis[6-(dodecanoylamino)pyridine-2-yl]carbamoylphenyl]-2,6-dimethyl-1H-pyridine-4-ylidene}pyrimidine-2,4,6-trione 1306740-85-1 C53H69N9O7
    5-{1-[3,5-bis[6-(dodecanoylamino)pyridine-2-yl]carbamoylphenyl]-2,6-dimethyl-1H-pyridine-4-ylidene}pyrimidine-2,4,6-trione
    —— 5'-adenylic acid-(R)-6,7,8,9-tetradeoxy-1,2-O-isopropylidene-9-phosphono-α-D-gluco-nona-7,8-dienopyranose monoanhydride dilithium salt 136891-70-8 C19H25N5O14P2*2Li
    5'-adenylic acid-(R)-6,7,8,9-tetradeoxy-1,2-O-isopropylidene-9-phosphono-α-D-gluco-nona-7,8-dienopyranose monoanhydride dilithium salt
    —— (5-benzylidene-3,6-dioxo-piperazin-2-yl)-acetic acid methyl ester 150502-34-4 C14H14N2O4
    (5-benzylidene-3,6-dioxo-piperazin-2-yl)-acetic acid methyl ester
    —— 5-O-(4-azido-4,6-dideoxy-β-D-glucopyranosyl)-6-O-(2-hydroxyethyl)-3',4'-di-O-benzyl-1-N-[(S)-2-benzyloxy-4-(benzyloxycarbonylamino)butanoyl]-3,2',6'-triazidoneamine 959982-93-5 C53H64N14O14
    5-O-(4-azido-4,6-dideoxy-β-D-glucopyranosyl)-6-O-(2-hydroxyethyl)-3',4'-di-O-benzyl-1-N-[(S)-2-benzyloxy-4-(benzyloxycarbonylamino)butanoyl]-3,2',6'-triazidoneamine
    —— 5'-methanesulfonyl-2',6'-dimethyl-1',4'-dihydro-[3,4']bipyridinyl-3'-carboxylic acid isopropyl ester 65369-06-4 C17H22N2O4S
    5'-methanesulfonyl-2',6'-dimethyl-1',4'-dihydro-[3,4']bipyridinyl-3'-carboxylic acid isopropyl ester
    —— 5-anilino-4H-pyrido[3,2,1-jk]carbazole-4-one 200288-29-5 C21H14N2O
    5-anilino-4H-pyrido[3,2,1-jk]carbazole-4-one
    —— 5,7-dimethoxy-2,2-dimethylchroman 67523-56-2 C13H18O3
    5,7-dimethoxy-2,2-dimethylchroman
    —— 5-chloro-N-{[(5S)-3-{2-fluoro-4-[3-(2-hydroxyethoxy)-2-oxopyridin-1(2H)-yl]phenyl}-2-oxo-1,3-oxazolidin-5-yl]methyl}thiophene-2-carboxamide 1093628-63-7 C22H19ClFN3O6S
    5-chloro-N-{[(5S)-3-{2-fluoro-4-[3-(2-hydroxyethoxy)-2-oxopyridin-1(2H)-yl]phenyl}-2-oxo-1,3-oxazolidin-5-yl]methyl}thiophene-2-carboxamide
    —— ((5-iodo-1,3-phenylene)bis(ethyne-2,1-diyl))bis(triisopropylsilane) 867017-53-6 C28H45ISi2
    ((5-iodo-1,3-phenylene)bis(ethyne-2,1-diyl))bis(triisopropylsilane)
    —— 5-O-(tert-Butyldimethylsilyl)-22,23-dihydro-13-oxoavermectin B<sub>1a</sub> Aglycon 103465-41-4 C40H62O8Si
    5-O-(tert-Butyldimethylsilyl)-22,23-dihydro-13-oxoavermectin B<sub>1a</sub> Aglycon
    —— (5R)-5-[(5-methoxy-3-oxo-1H-isoindol-2-yl)methyl]-5-[2-[4-[[4-(1,3-thiazol-2-yl)piperazin-1-yl]methyl]phenyl]ethynyl]imidazolidine-2,4-dione 1226987-55-8 C29H28N6O4S
    (5R)-5-[(5-methoxy-3-oxo-1H-isoindol-2-yl)methyl]-5-[2-[4-[[4-(1,3-thiazol-2-yl)piperazin-1-yl]methyl]phenyl]ethynyl]imidazolidine-2,4-dione
    —— 5-(2,3-dihydro-1,4-benzodioxin-6-yl)-6,7,8,9-tetrahydro-2H-pyrazolo[3,4-c]isoquinolin-1-amine 1225068-74-5 C18H18N4O2
    5-(2,3-dihydro-1,4-benzodioxin-6-yl)-6,7,8,9-tetrahydro-2H-pyrazolo[3,4-c]isoquinolin-1-amine
    —— 5-[1-[(6-Chloropyridin-3-yl)methyl]-5-methylpyrazol-3-yl]-3-[4-(3-methyloxetan-3-yl)phenyl]-1,2,4-oxadiazole 1225380-67-5 C22H20ClN5O2
    5-[1-[(6-Chloropyridin-3-yl)methyl]-5-methylpyrazol-3-yl]-3-[4-(3-methyloxetan-3-yl)phenyl]-1,2,4-oxadiazole
    —— 5β-cyano-4α-hydroxy-17β-propionoxy-B-norandrost-1-ene-3,6-dione 55651-53-1 C22H27NO5
    5β-cyano-4α-hydroxy-17β-propionoxy-B-norandrost-1-ene-3,6-dione
    —— 5-(3,4,5-tribromo-1-methyl-1H-pyrrol-2-yl)pent-4-yn-1-ol 1157853-14-9 C10H10Br3NO
    5-(3,4,5-tribromo-1-methyl-1H-pyrrol-2-yl)pent-4-yn-1-ol
    —— 5-(4-(ethylsulfonyl)piperazin-1-yl)-3-(6-methyl-1H-benzo[d]imidazol-2-yl)pyrazin-2-amine 1225059-30-2 C18H23N7O2S
    5-(4-(ethylsulfonyl)piperazin-1-yl)-3-(6-methyl-1H-benzo[d]imidazol-2-yl)pyrazin-2-amine
    —— (5R,7S)-8-[4-fluoro-3-(3-methylpyridin-2-yl)benzyl]-1-(3-fluorophenyl)-7-methyl-thia-1,8-diazaspiro[4.5]dec-3-ene 2,2-dioxide 1338820-75-9 C27H27F2N3O2S
    (5R,7S)-8-[4-fluoro-3-(3-methylpyridin-2-yl)benzyl]-1-(3-fluorophenyl)-7-methyl-thia-1,8-diazaspiro[4.5]dec-3-ene 2,2-dioxide
    —— 5-(8-Tert-butylspiro[2,3-dihydrochromene-4,1'-cyclopropane]-6-yl)-1-(cyclohexylmethyl)-2-methylpyrrole-3-carboxamide 1442424-04-5 C28H38N2O2
    5-(8-Tert-butylspiro[2,3-dihydrochromene-4,1'-cyclopropane]-6-yl)-1-(cyclohexylmethyl)-2-methylpyrrole-3-carboxamide
    —— 5-fluoro-6-(5-methoxy-pyrazololo[1,5-a]pyridin-3-yl)-1H-pyrazolo[3,4-b]pyridine 1134614-65-5 C14H10FN5O
    5-fluoro-6-(5-methoxy-pyrazololo[1,5-a]pyridin-3-yl)-1H-pyrazolo[3,4-b]pyridine
    —— 5-phenyl-3-(piperidin-1-ylmethyl)-1,3,4-thiadiazole-2-thione 73860-96-5 C14H17N3S2
    5-phenyl-3-(piperidin-1-ylmethyl)-1,3,4-thiadiazole-2-thione
    —— (5R,6S)-5,6-[(2S,3S)-2,3-dimethoxybutan-2,3-dioxy]-3-butyl-cyclohex-2-enone 1269439-06-6 C16H26O5
    (5R,6S)-5,6-[(2S,3S)-2,3-dimethoxybutan-2,3-dioxy]-3-butyl-cyclohex-2-enone
    —— (5,7-dibromo-1,1,3-trioxo-3,4-dihydro-1<i>H</i>-1λ<sup>6</sup>-benzo[1,2,4]thiadiazin-2-yl)-acetic acid ethyl ester 70089-78-0 C11H10Br2N2O5S
    (5,7-dibromo-1,1,3-trioxo-3,4-dihydro-1<i>H</i>-1λ<sup>6</sup>-benzo[1,2,4]thiadiazin-2-yl)-acetic acid ethyl ester
    —— 5-(3,7-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)-4-hydroxypentanal 1305318-03-9 C12H16N4O4
    5-(3,7-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)-4-hydroxypentanal
    —— 5,11,17,23-tetra-amino-25,26,27-tripropoxy-28-(2-acetoxyethoxy)calix[4]arene 1258840-40-2 C41H52N4O6
    5,11,17,23-tetra-amino-25,26,27-tripropoxy-28-(2-acetoxyethoxy)calix[4]arene
    —— 5,11-dioxo-N-(1,3-thiazol-2-yl)-10H-pyrido[2,3-b]carbazole-7-sulfonamide 136180-24-0 C18H10N4O4S2
    5,11-dioxo-N-(1,3-thiazol-2-yl)-10H-pyrido[2,3-b]carbazole-7-sulfonamide