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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-ethyl-2-methoxy-5,7,8,9-tetrahydro-benzocyclohepten-6-one 1143510-07-9 C14H18O2
    5-ethyl-2-methoxy-5,7,8,9-tetrahydro-benzocyclohepten-6-one
    —— 5'-O-(Methoxytrityl)-N6-benzoyldeoxyadenosine 3'-<2-cyanoethyl S-(dimethylthiocarbamoyl)thiophosphate> 78456-44-7 C43H42N7O7PS2
    5'-O-(Methoxytrityl)-N6-benzoyldeoxyadenosine 3'-<2-cyanoethyl S-(dimethylthiocarbamoyl)thiophosphate>
    —— 5,5-Dimethyl-2,4-diphenyl-2,5-dihydro-furyl-(2)-malonsaeure-diethylester 115144-30-4 C25H28O5
    5,5-Dimethyl-2,4-diphenyl-2,5-dihydro-furyl-(2)-malonsaeure-diethylester
    —— 5α-Androstanol-(17β)-<3,2-d>-2'-amino-pyrimidin 100625-55-6 C21H31N3O
    5α-Androstanol-(17β)-<3,2-d>-2'-amino-pyrimidin
    —— 5-amino-3-(5-bromo-2-fluorophenyl)-1,3-dimethyl-3,6-dihydro-1H-pyrazin-2-one 1313525-74-4 C12H13BrFN3O
    5-amino-3-(5-bromo-2-fluorophenyl)-1,3-dimethyl-3,6-dihydro-1H-pyrazin-2-one
    —— 5-chloro-1-(cyclopropylmethyl)-3-methyl-1,3-dihydro[1,2,5]thiadiazolo[3,4-b]pyridine 2,2-dioxide 1333263-93-6 C10H12ClN3O2S
    5-chloro-1-(cyclopropylmethyl)-3-methyl-1,3-dihydro[1,2,5]thiadiazolo[3,4-b]pyridine 2,2-dioxide
    —— 5-(<i>N</i>-acetyl-sulfanilyl)-1<i>H</i>-pyrimidine-2,4-dione 99989-68-1 C12H11N3O5S
    5-(<i>N</i>-acetyl-sulfanilyl)-1<i>H</i>-pyrimidine-2,4-dione
    —— 5-(3,4,5-Trimethylphenyl)benz<a>anthracene-7,12-dione 72853-78-2 C27H20O2
    5-(3,4,5-Trimethylphenyl)benz<a>anthracene-7,12-dione
    —— 5-{2-[5-(5-chloro-1H-indol-1-yl)-1,3-dimethyl-1H-pyrazol-4-yl]ethyl}-1,3-thiazolidine-2,4-dione 1048020-69-4 C18H17ClN4O2S
    5-{2-[5-(5-chloro-1H-indol-1-yl)-1,3-dimethyl-1H-pyrazol-4-yl]ethyl}-1,3-thiazolidine-2,4-dione
    —— 5-(3-Phenyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-2-yl)-pentanoic acid ethyl ester 678986-19-1 C21H26N2O2
    5-(3-Phenyl-5,6,7,8-tetrahydro-[1,8]naphthyridin-2-yl)-pentanoic acid ethyl ester
    —— 5,5-dimethylsilacyclotriveratrylene 141100-44-9 C28H34O6Si
    5,5-dimethylsilacyclotriveratrylene
    —— 5-bromo-7-chloro-8-methylquinoline 120287-31-2 C10H7BrClN
    5-bromo-7-chloro-8-methylquinoline
    —— 5-oxazol-5-yl-pyrazine-2-carboxylic acid cyclopropyl-[1-(3-isopropyl-[1,2,4]oxadiazol-5-yl)-piperidin-4-yl]amide 1415835-62-9 C21H25N7O3
    5-oxazol-5-yl-pyrazine-2-carboxylic acid cyclopropyl-[1-(3-isopropyl-[1,2,4]oxadiazol-5-yl)-piperidin-4-yl]amide
    —— 5ξ-Chlor-3,5ξ-bis-dimethylamino-4-methoxycarbonyl-penta-2ξ,4-diensaeuremethylester 28239-15-8 C12H19ClN2O4
    5ξ-Chlor-3,5ξ-bis-dimethylamino-4-methoxycarbonyl-penta-2ξ,4-diensaeuremethylester
    —— 5-Ethyl-5-phenyl-2-(3-methoxy-6-methyl-2-phenylquinolin-4-yl)-imidazoline 298689-15-3 C28H27N3O
    5-Ethyl-5-phenyl-2-(3-methoxy-6-methyl-2-phenylquinolin-4-yl)-imidazoline
    —— 5-benzyl-1-methyl-3-o-tolylhydantoin 76263-99-5 C18H18N2O2
    5-benzyl-1-methyl-3-o-tolylhydantoin
    —— 5-(3,4-Dichloro-5-methyl-benzyl)-[1,3,4]thiadiazol-2-ylamine 51719-51-8 C10H9Cl2N3S
    5-(3,4-Dichloro-5-methyl-benzyl)-[1,3,4]thiadiazol-2-ylamine
    —— 5-methyl-5,6,7,8,9,10-hexahydro-cyclohepta[<i>b</i>]indol-6-ol 72451-14-0 C14H17NO
    5-methyl-5,6,7,8,9,10-hexahydro-cyclohepta[<i>b</i>]indol-6-ol
    —— 5-chloro-N,N-dimethylspiro[4,13-dithiatricyclo[8.3.0.03,7]trideca-1(10),3(7),5,11-tetraene-2,4'-cyclohexane]-1'-amine 75322-43-9 C18H22ClNS2
    5-chloro-N,N-dimethylspiro[4,13-dithiatricyclo[8.3.0.03,7]trideca-1(10),3(7),5,11-tetraene-2,4'-cyclohexane]-1'-amine
    —— 5-Methyl-5H-5,14-diaza-dibenzo[a,j]anthracen-6-one 64620-87-7 C21H14N2O
    5-Methyl-5H-5,14-diaza-dibenzo[a,j]anthracen-6-one
    —— [5-(2-chloro-pyrimidin-4-ylamino)-1-methyl-1H-benzoimidazol-2-yl]-(4-fluoro-phenyl)-carbamic acid tert-butyl ester 596131-30-5 C23H22ClFN6O2
    [5-(2-chloro-pyrimidin-4-ylamino)-1-methyl-1H-benzoimidazol-2-yl]-(4-fluoro-phenyl)-carbamic acid tert-butyl ester
    —— 5-bromo-6-methyl-1-oxidopyrimidin-1-ium 114970-00-2 C5H5BrN2O
    5-bromo-6-methyl-1-oxidopyrimidin-1-ium
    —— 5-benzyloxy-2-desoxy-3-hydroxy-D-ribonolactone 95504-02-2 C12H14O4
    5-benzyloxy-2-desoxy-3-hydroxy-D-ribonolactone
    —— (5R)-5-(5-bromo-2-fluorophenyl)-5-methyl-6-(trifluoromethyl)-morpholin-3-one 1443259-48-0 C12H10BrF4NO2
    (5R)-5-(5-bromo-2-fluorophenyl)-5-methyl-6-(trifluoromethyl)-morpholin-3-one
    —— 5,8-Dichlor-7-nitro-6-methyl-1,2,3,4-tetrahydrochinoxalindon-(2,3) 19853-73-7 C9H5Cl2N3O4
    5,8-Dichlor-7-nitro-6-methyl-1,2,3,4-tetrahydrochinoxalindon-(2,3)
    —— 5-Chlor-2-<2,4,5-trichlor-phenyl-sulfonyl>-pyridin-N-oxid 91819-74-8 C11H5Cl4NO3S
    5-Chlor-2-<2,4,5-trichlor-phenyl-sulfonyl>-pyridin-N-oxid
    —— 5,6,7,8,9,9a,10,11,12,13,14,16-dodecahydroquinazolino[2,3-e]acridine 1412907-44-8 C20H26N2
    5,6,7,8,9,9a,10,11,12,13,14,16-dodecahydroquinazolino[2,3-e]acridine
    —— 5α-hydroxy-6β,16α,17α,21-tetramethyl-5α-pregnan-3,20-dione 49697-61-2 C25H40O3
    5α-hydroxy-6β,16α,17α,21-tetramethyl-5α-pregnan-3,20-dione
    —— (5-Oxo-2-phenyl-5,6-dihydro-imidazo[1,2-c]pyrimidin-3-ylmethyl)-phosphonic acid 121503-50-2 C13H12N3O4P
    (5-Oxo-2-phenyl-5,6-dihydro-imidazo[1,2-c]pyrimidin-3-ylmethyl)-phosphonic acid
    —— 5-(3,3-dimethyl-2,3-dihydro-2-oxoindol-1-yl)dibenzo<a,d>cyclohepten-1-yl 2-methylpropanoate 101023-28-3 C29H27NO3
    5-(3,3-dimethyl-2,3-dihydro-2-oxoindol-1-yl)dibenzo<a,d>cyclohepten-1-yl 2-methylpropanoate
    —— 5'-O-(monomethoxytrityl)-N<sup>4</sup>,2'-O-3'-O-tris<2-(4-nitrophenyl)ethoxycarbonyl>cytidine 112123-75-8 C56H50N6O18
    5'-O-(monomethoxytrityl)-N<sup>4</sup>,2'-O-3'-O-tris<2-(4-nitrophenyl)ethoxycarbonyl>cytidine
    —— 5,8-diacetoxy-2-(1'-hydroxy-4'-methyl-3'-trifluoroacetoxypentyl)-1,4-naphthoquinone 155500-14-4 C22H21F3O9
    5,8-diacetoxy-2-(1'-hydroxy-4'-methyl-3'-trifluoroacetoxypentyl)-1,4-naphthoquinone
    —— (5E)-3-(2-methoxyethyl)-2-(2-methoxyethylamino)-5-(4-methoxy-1H-pyrrolo[2,3-b]pyridin-2-yl-methylene)-3,5-dihydroimidazol-4-one 1396319-88-2 C18H23N5O4
    (5E)-3-(2-methoxyethyl)-2-(2-methoxyethylamino)-5-(4-methoxy-1H-pyrrolo[2,3-b]pyridin-2-yl-methylene)-3,5-dihydroimidazol-4-one
    —— 5-[2-({[(Tert-butoxy)carbonyl]amino}methyl)morpholin-4-yl]pyrazine-2-carboxylicacid 2260937-63-9 C15H22N4O5
    5-[2-({[(Tert-butoxy)carbonyl]amino}methyl)morpholin-4-yl]pyrazine-2-carboxylicacid
    —— 5-formyl-2-(3-iodophenyl)-1,3-oxazole 1092114-48-1 C10H6INO2
    5-formyl-2-(3-iodophenyl)-1,3-oxazole
    —— 5,6-diaminoisoindolin-1-one 1188412-94-3 C8H9N3O
    5,6-diaminoisoindolin-1-one
    —— {5H,6H,8H,9H-[1,2,4]triazolo[4,3-d][1,4]oxazepin-3-yl}methanaminedihydrochloride 2241141-68-2 C7H14Cl2N4O
    {5H,6H,8H,9H-[1,2,4]triazolo[4,3-d][1,4]oxazepin-3-yl}methanaminedihydrochloride
    —— 5H-1,2,4-triazolo<1,5-d>-9,10,11,12-tetrahydrobenzo<b>thieno<3,2-f>-1,4-diazepin-6(7H)-one 117563-08-3 C12H12N4OS
    5H-1,2,4-triazolo<1,5-d>-9,10,11,12-tetrahydrobenzo<b>thieno<3,2-f>-1,4-diazepin-6(7H)-one
    —— 5-(6,7-dihydroxy-3,7-dimethyloct-2E-enyl)-5-methoxycarbonylhex-2E-enedioic acid 1-benzyl ester 6-methyl ester 852402-33-6 C26H36O8
    5-(6,7-dihydroxy-3,7-dimethyloct-2E-enyl)-5-methoxycarbonylhex-2E-enedioic acid 1-benzyl ester 6-methyl ester
    —— [5-chloro-2-(methylthio)pyrimidin-4-yl](5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methanone 1000369-59-4 C16H13ClN4O2S
    [5-chloro-2-(methylthio)pyrimidin-4-yl](5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methanone
    —— 5-(4-dimethylamino-benzylidene)-2,3-diphenyl-3,5-dihydro-imidazol-4-one 76102-44-8 C24H21N3O
    5-(4-dimethylamino-benzylidene)-2,3-diphenyl-3,5-dihydro-imidazol-4-one
    —— 5-ethoxy-2,5-dimethyl-hex-3-yn-2-ol 857544-53-7 C10H18O2
    5-ethoxy-2,5-dimethyl-hex-3-yn-2-ol
    —— 5,5-bis[(benzyloxy)methyl]-9,9-dimethyldeca-6,7-dien-2-yne 1370583-97-3 C28H34O2
    5,5-bis[(benzyloxy)methyl]-9,9-dimethyldeca-6,7-dien-2-yne
    —— 5-(4-Chloro-phenyl)-3-(2,6-dimethyl-phenyl)-2-thioxo-2,3-dihydro-1H-imidazole-4-carboxylic acid 87544-43-2 C18H15ClN2O2S
    5-(4-Chloro-phenyl)-3-(2,6-dimethyl-phenyl)-2-thioxo-2,3-dihydro-1H-imidazole-4-carboxylic acid
    —— 5,20-dihydro-5,20-methanodibenzo[b,h]tetraphenylene 125903-19-7 C32H20O
    5,20-dihydro-5,20-methanodibenzo[b,h]tetraphenylene
    —— 5-{[1-(3-Aminopropyl)-3,5-diethyl-1H-pyrazol-4-yl]oxy}isophthalonitrile 473921-72-1 C18H21N5O
    5-{[1-(3-Aminopropyl)-3,5-diethyl-1H-pyrazol-4-yl]oxy}isophthalonitrile
    —— 5-benzylfur-3-ylmethyl exo-tricyclo<5.2.1.0<sup>2,6</sup>>decane-endo-2-carboxylate 109430-44-6 C23H26O3
    5-benzylfur-3-ylmethyl exo-tricyclo<5.2.1.0<sup>2,6</sup>>decane-endo-2-carboxylate
    —— 5,10,15,20-tetra-(4-hydroxy-3-methoxy-5-nitrophenyl)porphyrin 78159-99-6 C48H34N8O16
    5,10,15,20-tetra-(4-hydroxy-3-methoxy-5-nitrophenyl)porphyrin
    —— 5-methyl-1-(4'-methoxyphenylsulfonylamino)-1H-[1,2,3]-triazole-4-carboxylic acid ethyl ester 1200355-95-8 C13H16N4O5S
    5-methyl-1-(4'-methoxyphenylsulfonylamino)-1H-[1,2,3]-triazole-4-carboxylic acid ethyl ester
    —— 5-Tributylstannylpyrazine-2-carboxylic acid 446285-78-5 C17H30N2O2Sn
    5-Tributylstannylpyrazine-2-carboxylic acid