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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Benzoylamino-1-<2-(2-bromethoxy)ethyl>-1H-pyrazol-4-carbonsaeure-ethylester 82275-74-9 C17H20BrN3O4
    5-Benzoylamino-1-<2-(2-bromethoxy)ethyl>-1H-pyrazol-4-carbonsaeure-ethylester
    —— 5,5-Diaethyl-1-<4-chlor-benzoyl>-barbitursaeure 14601-36-6 C15H15ClN2O4
    5,5-Diaethyl-1-<4-chlor-benzoyl>-barbitursaeure
    —— 5-O-(3'-N-bis-demethyl-3'-N-pyrrolidin-1-yl)-3-O-decladinosyl-6-O-methyl-3-hydroxy-erythromycin A 1047999-54-1 C32H57NO10
    5-O-(3'-N-bis-demethyl-3'-N-pyrrolidin-1-yl)-3-O-decladinosyl-6-O-methyl-3-hydroxy-erythromycin A
    —— 5-(3-carboxy-2-hydroxynaphthalen-1-yl)benzo[a]phenazine-6-carboxylic acid 114637-00-2 C28H16N2O5
    5-(3-carboxy-2-hydroxynaphthalen-1-yl)benzo[a]phenazine-6-carboxylic acid
    —— 5-Ethyl-2-methoxy-[1,3,2]dioxaphosphinane 115579-27-6 C6H13O3P
    5-Ethyl-2-methoxy-[1,3,2]dioxaphosphinane
    —— 5-nitro-7-chloro-2,3-dihydro-benzo[1,4]dioxine 698985-37-4 C8H6ClNO4
    5-nitro-7-chloro-2,3-dihydro-benzo[1,4]dioxine
    —— 5-butyl-3-o-tolyl-[1,3,5]thiadiazinane-2-thione 93896-65-2 C14H20N2S2
    5-butyl-3-o-tolyl-[1,3,5]thiadiazinane-2-thione
    —— 5-<3-(3-Aethyl-3H-benzothiazolyliden-(2))-propenyl>-3-methyl-tetrazolo<a>pyrimidin 4941-63-3 C17H16N6S
    5-<3-(3-Aethyl-3H-benzothiazolyliden-(2))-propenyl>-3-methyl-tetrazolo<a>pyrimidin
    —— 5α-Hydroxy-6β-acetylthio-17β-acetyloxyandrostan-3-on 5189-74-2 C23H34O5S
    5α-Hydroxy-6β-acetylthio-17β-acetyloxyandrostan-3-on
    —— 5-benzyloxy-1,2,3,4-tetrahydro-8-methoxynaphthalene-2-carboxylic acid 80027-59-4 C19H20O4
    5-benzyloxy-1,2,3,4-tetrahydro-8-methoxynaphthalene-2-carboxylic acid
    —— 5,5-dimethyl-4,6-dioxo-5,6-dihydro-4H-phenalene-1,9-dicarboxylic acid 861073-84-9 C17H12O6
    5,5-dimethyl-4,6-dioxo-5,6-dihydro-4H-phenalene-1,9-dicarboxylic acid
    —— 5-(8-oxo-6-thioxo-5-(o-tolyl)-5,7-diazaspiro[3,4]octan-7-yl)-3-(trifluoromethyl)picolinonitrile 1332389-00-0 C20H15F3N4OS
    5-(8-oxo-6-thioxo-5-(o-tolyl)-5,7-diazaspiro[3,4]octan-7-yl)-3-(trifluoromethyl)picolinonitrile
    —— (5aS,9aS)-5a-methyl-5,5a,7,8,9,9a-hexahydro-4H-spiro[naphtho[2,1-b]furan-6,2'-[1,3]dioxolane] 125923-29-7 C15H20O3
    (5aS,9aS)-5a-methyl-5,5a,7,8,9,9a-hexahydro-4H-spiro[naphtho[2,1-b]furan-6,2'-[1,3]dioxolane]
    —— 5-{7-[(4-chlorobenzyl)-carbamoyl]-3-phenyl-quinoxalin-2-yl}pentanoic acid 1383693-09-1 C27H24ClN3O3
    5-{7-[(4-chlorobenzyl)-carbamoyl]-3-phenyl-quinoxalin-2-yl}pentanoic acid
    —— 5-[5-Amino-6-[3-[4-(methylaminomethyl)phenyl]-1,2-oxazol-5-yl]pyrazin-2-yl]-1-[(1-methylcyclopropyl)methyl]pyridin-2-one 1349732-32-6 C25H26N6O2
    5-[5-Amino-6-[3-[4-(methylaminomethyl)phenyl]-1,2-oxazol-5-yl]pyrazin-2-yl]-1-[(1-methylcyclopropyl)methyl]pyridin-2-one
    —— 5-[4,6-bis-(4-chloro-anilino)-[1,3,5]triazin-2-yl]-pyrimidine-2,4,6-trione 70928-13-1 C19H13Cl2N7O3
    5-[4,6-bis-(4-chloro-anilino)-[1,3,5]triazin-2-yl]-pyrimidine-2,4,6-trione
    —— 5-(1,3-benzothiazol-2-yl)-2-[(3R)-3-hydroxypyrrolidin-1-yl]-6-[[(3R)-piperidin-3-yl]amino]-3,4-dihydropyrimidin-4-one 1433164-76-1 C20H24N6O2S
    5-(1,3-benzothiazol-2-yl)-2-[(3R)-3-hydroxypyrrolidin-1-yl]-6-[[(3R)-piperidin-3-yl]amino]-3,4-dihydropyrimidin-4-one
    —— 5-methylsulfanyl-4-([1.1'.3'.1'']terphenyl-3-sulfonyl)-thiophene-2-carboxamidine 631903-80-5 C24H20N2O2S3
    5-methylsulfanyl-4-([1.1'.3'.1'']terphenyl-3-sulfonyl)-thiophene-2-carboxamidine
    —— 5-(2-(4-Hydroxy-3-methoxybenzylidene)hydrazinyl)-6-(4-(pentyloxy)phenyl)pyridazin-3(2H)-one 882864-82-6 C23H26N4O4
    5-(2-(4-Hydroxy-3-methoxybenzylidene)hydrazinyl)-6-(4-(pentyloxy)phenyl)pyridazin-3(2H)-one
    —— 5-((S)-3-hydroxy-pyrrolidin-1-yl)-imidazo[1,2-a]pyridine-2-carboxylic acid [5-(3-chloro-5-fluoro-phenyl)-1H-benzoimidazol-2-yl]-amide 1254168-83-6 C25H20ClFN6O2
    5-((S)-3-hydroxy-pyrrolidin-1-yl)-imidazo[1,2-a]pyridine-2-carboxylic acid [5-(3-chloro-5-fluoro-phenyl)-1H-benzoimidazol-2-yl]-amide
    —— 5-[N-(2-methylpropyl)carbamoyl]-2-[1-(3-nitro-2-pyridyl)piperazin-4-yl-carbonyl]pyridine 250145-96-1 C20H24N6O4
    5-[N-(2-methylpropyl)carbamoyl]-2-[1-(3-nitro-2-pyridyl)piperazin-4-yl-carbonyl]pyridine
    —— 5-amino-2-[1-(2-hydroxy-ethyl)-1H-pyrazol-4-ylmethoxy]-4-(6-methyl-pyridin-2-yl)-thieno[2,3-d]pyrimidine-6-carboxylic acid amide 1259877-47-8 C19H19N7O3S
    5-amino-2-[1-(2-hydroxy-ethyl)-1H-pyrazol-4-ylmethoxy]-4-(6-methyl-pyridin-2-yl)-thieno[2,3-d]pyrimidine-6-carboxylic acid amide
    —— 5-(5-aminopyridin-2-yl)-7-chloro-1-methyl-3-(naphthalen-2-ylmethyl)-1H-benzo[e][1,4]diazepin-2(3H)-one 1251948-42-1 C26H21ClN4O
    5-(5-aminopyridin-2-yl)-7-chloro-1-methyl-3-(naphthalen-2-ylmethyl)-1H-benzo[e][1,4]diazepin-2(3H)-one
    —— 5-amino-2-(2-tert-butoxyethoxy)-4-(3-chlorophenyl)-thieno[2,3-d]pyrimidine-6-carboxamide 1259876-94-2 C19H21ClN4O3S
    5-amino-2-(2-tert-butoxyethoxy)-4-(3-chlorophenyl)-thieno[2,3-d]pyrimidine-6-carboxamide
    —— 5-butyl-4,5-dihydro-2,6-dimethyl-3(2H)-pyridazinone 144382-08-1 C10H18N2O
    5-butyl-4,5-dihydro-2,6-dimethyl-3(2H)-pyridazinone
    —— 5-acetoxy-3β-(toluene-4-sulfonyloxy)-5α-cholestan-6-one 63015-76-9 C36H54O6S
    5-acetoxy-3β-(toluene-4-sulfonyloxy)-5α-cholestan-6-one
    —— 5-Methyl-2-phenyl-6-p-tolyl-[1,3]dioxin-4-one 77092-10-5 C18H16O3
    5-Methyl-2-phenyl-6-p-tolyl-[1,3]dioxin-4-one
    —— 5-Methyl-azulene-1,3-dicarboxylic acid dimethyl ester 51381-37-4 C15H14O4
    5-Methyl-azulene-1,3-dicarboxylic acid dimethyl ester
    —— 5,6-dimethylbenzo<ghi>fluoranthene 138955-80-3 C20H14
    5,6-dimethylbenzo<ghi>fluoranthene
    —— 5-hydroxy-1-phenylhept-6-en-1-one 1393749-91-1 C13H16O2
    5-hydroxy-1-phenylhept-6-en-1-one
    —— 5-hydroxypentyl 3-(4-{{2-[(benzhydryloxy)carbonyl]phenyl}-[ethoxy(oxo)acetyl]amino}-1-naphthyl)-N-(tert-butoxycarbonyl)-L-alaninamide 436864-66-3 C47H51N3O9
    5-hydroxypentyl 3-(4-{{2-[(benzhydryloxy)carbonyl]phenyl}-[ethoxy(oxo)acetyl]amino}-1-naphthyl)-N-(tert-butoxycarbonyl)-L-alaninamide
    —— 5-Methylpyrazine-2-sulfonamide 2228719-81-9 C5H7N3O2S
    5-Methylpyrazine-2-sulfonamide
    —— 5-[3-Methoxy-prop-(Z)-ylidene]-5H-dibenzo[a,d]cycloheptene-10-carboxylic acid 4831-81-6 C20H18O3
    5-[3-Methoxy-prop-(Z)-ylidene]-5H-dibenzo[a,d]cycloheptene-10-carboxylic acid
    —— 5,5-Diaethyl-1-phenyl-hydantoin 107417-16-3 C13H16N2O2
    5,5-Diaethyl-1-phenyl-hydantoin
    —— 5-Anilino-2,2,3-trimethyl-1-pyrrolidinyl-1-oxid 78847-92-4 C13H19N2O
    5-Anilino-2,2,3-trimethyl-1-pyrrolidinyl-1-oxid
    —— 5-Benzyloxy-octa-6,7-dien-1-ol 339184-34-8 C15H20O2
    5-Benzyloxy-octa-6,7-dien-1-ol
    —— 5-(((1-methyl-6-oxo-2,3,4,6-tetrahydro-1H-pyrimido[1,6-a]pyrimidin-8-yl)oxy)methyl)-2-(pyrimidin-5-yloxy)benzonitrile 1420369-14-7 C20H18N6O3
    5-(((1-methyl-6-oxo-2,3,4,6-tetrahydro-1H-pyrimido[1,6-a]pyrimidin-8-yl)oxy)methyl)-2-(pyrimidin-5-yloxy)benzonitrile
    —— 5-methoxy-4-N-[(5-methyl-1,2-oxazol-3-yl)methyl]quinazoline-2,4-diamine 1610461-25-0 C14H15N5O2
    5-methoxy-4-N-[(5-methyl-1,2-oxazol-3-yl)methyl]quinazoline-2,4-diamine
    —— 5-benzyl-5-hydroxy-1-((S)-2-hydroxy-1-phenylethyl)-4-methoxy-1,5-dihydro-2H-pyrrol-2-one 1140906-45-1 C20H21NO4
    5-benzyl-5-hydroxy-1-((S)-2-hydroxy-1-phenylethyl)-4-methoxy-1,5-dihydro-2H-pyrrol-2-one
    —— 5'-O-[(2-cyano-1-phenylethoxy)carbonyl]-N<sup>2</sup>-{[2-(4-nitrophenyl)ethoxy]carbonyl}-O<sup>6</sup>-[2-(4-nitrophenyl)ethyl]-2'-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)guanosine 195881-26-6 C43H44N8O15
    5'-O-[(2-cyano-1-phenylethoxy)carbonyl]-N<sup>2</sup>-{[2-(4-nitrophenyl)ethoxy]carbonyl}-O<sup>6</sup>-[2-(4-nitrophenyl)ethyl]-2'-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)guanosine
    —— (5aR,5bS,7aS,10aS,10bS)-8-(5-ethoxypyridin-3-yl)-1,5a,7a-trimethyl-5,5a,5b,6,7,7a,10,10a,10b,11,12,12a-dodecahydro-1H-cyclopenta[5,6]naphtho[2,1-e][1,4]oxazepin-2(3H)-one 1382471-04-6 C26H36N2O3
    (5aR,5bS,7aS,10aS,10bS)-8-(5-ethoxypyridin-3-yl)-1,5a,7a-trimethyl-5,5a,5b,6,7,7a,10,10a,10b,11,12,12a-dodecahydro-1H-cyclopenta[5,6]naphtho[2,1-e][1,4]oxazepin-2(3H)-one
    —— 5,6-Bis-(biphenyl-4-ylmethoxy)-3-(3-fluoro-phenoxy)-benzo[b]thiophene-2-carbaldehyde 655247-96-4 C41H29FO4S
    5,6-Bis-(biphenyl-4-ylmethoxy)-3-(3-fluoro-phenoxy)-benzo[b]thiophene-2-carbaldehyde
    —— (5R,10S)-2-(4-chlorophenyl)-10-fluoro-1,6-dioxa-3-azaspiro[4.5]dec-2-ene 1359180-27-0 C13H13ClFNO2
    (5R,10S)-2-(4-chlorophenyl)-10-fluoro-1,6-dioxa-3-azaspiro[4.5]dec-2-ene
    —— 5-(3-(3-(trifluoromethyl)benzamido)pyrrolidin-1-yl)quinazoline-8-carboxamide 1445782-34-2 C21H18F3N5O2
    5-(3-(3-(trifluoromethyl)benzamido)pyrrolidin-1-yl)quinazoline-8-carboxamide
    —— 5-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-N-{5-[3-(trifluoromethyl)phenyl]-1H-benzimidazol-2-yl}imidazo[1,2-a]pyridine-2-carboxamide 1254170-03-0 C28H23F3N6O
    5-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-N-{5-[3-(trifluoromethyl)phenyl]-1H-benzimidazol-2-yl}imidazo[1,2-a]pyridine-2-carboxamide
    —— 5,8-Dihydroxy-3-methyl-2-p-tolyl-2H-cycloheptapyrazol-6-one 97788-46-0 C16H14N2O3
    5,8-Dihydroxy-3-methyl-2-p-tolyl-2H-cycloheptapyrazol-6-one
    —— 5-Chloro-2-ethoxy-N-p-tolyl-benzamide 64353-14-6 C16H16ClNO2
    5-Chloro-2-ethoxy-N-p-tolyl-benzamide
    —— 5-Bromo-2-{(E)-3-[5-bromo-1-ethyl-3-(2-methoxy-ethyl)-1,3-dihydro-benzoimidazol-(2Z)-ylidene]-propenyl}-1-ethyl-3-(2-methoxy-ethyl)-3H-benzoimidazol-1-ium; iodide 6762-06-7 C27H33Br2N4O2*I
    5-Bromo-2-{(E)-3-[5-bromo-1-ethyl-3-(2-methoxy-ethyl)-1,3-dihydro-benzoimidazol-(2Z)-ylidene]-propenyl}-1-ethyl-3-(2-methoxy-ethyl)-3H-benzoimidazol-1-ium; iodide
    —— 5'-acetylamino-[1,2']bipyridinyl-2-one 1143-99-3 C12H11N3O2
    5'-acetylamino-[1,2']bipyridinyl-2-one
    —— 5-(3-dimethylamino-propyl)-1,11-dimethyl-5,7-dihydro-dibenzo[<i>d</i>,<i>f</i>][1,3]diazepin-6-one 2849-42-5 C20H25N3O
    5-(3-dimethylamino-propyl)-1,11-dimethyl-5,7-dihydro-dibenzo[<i>d</i>,<i>f</i>][1,3]diazepin-6-one