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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,5'-diisobutyl-5,5'-dimethyl-3,3'-butane-1,4-diyl-bis-imidazolidine-2,4-dione 3040-95-7 C20H34N4O4
    5,5'-diisobutyl-5,5'-dimethyl-3,3'-butane-1,4-diyl-bis-imidazolidine-2,4-dione
    —— 5-<2-(3-Oxo-piperazinyl-1)-ethyl>-10,11-dihydro-5H-dibenz<b,f>azepin 100627-57-4 C20H23N3O
    5-<2-(3-Oxo-piperazinyl-1)-ethyl>-10,11-dihydro-5H-dibenz<b,f>azepin
    —— 5-(3-cyanobenzyloxy)-1,3-difluorobenzene 1381940-27-7 C14H9F2NO
    5-(3-cyanobenzyloxy)-1,3-difluorobenzene
    —— 5-Bromo-6-[hydroxy(4-quinolinyl)methyl]-3-methyl-1-(2-methylpropyl)-thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione 372162-91-9 C21H20BrN3O3S
    5-Bromo-6-[hydroxy(4-quinolinyl)methyl]-3-methyl-1-(2-methylpropyl)-thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione
    —— 5-(anilinocarbonylamino)-2-benzhydryloxy-N-(2-piperidin-1-ylethyl)benzamide 508213-81-8 C34H36N4O3
    5-(anilinocarbonylamino)-2-benzhydryloxy-N-(2-piperidin-1-ylethyl)benzamide
    —— [5-((E)-1,5-diethyl-5-triethylsilanyloxyhept-1-enyl)-pyridin-3-yl]methanol 341555-49-5 C23H41NO2Si
    [5-((E)-1,5-diethyl-5-triethylsilanyloxyhept-1-enyl)-pyridin-3-yl]methanol
    —— (5-chloro-4-methoxypyrimidin-2-yl)-[5-chloro-1-(tetrahydropyran-4-yl)-1H-pyrazol-4-yl]amine 1374825-67-8 C13H15Cl2N5O2
    (5-chloro-4-methoxypyrimidin-2-yl)-[5-chloro-1-(tetrahydropyran-4-yl)-1H-pyrazol-4-yl]amine
    —— 5.8-Dioxoundecansaeure-methylester 66086-10-0 C12H20O4
    5.8-Dioxoundecansaeure-methylester
    —— 5,7-Dibromchinolin-8-yl-bis(diethylamido)phosphit 71702-88-0 C17H24Br2N3OP
    5,7-Dibromchinolin-8-yl-bis(diethylamido)phosphit
    —— 5-Methoxycarbonylmethylsulfanyl-2-methylsulfanyl-thiazole-4-carboxylic acid ethyl ester 113270-51-2 C10H13NO4S3
    5-Methoxycarbonylmethylsulfanyl-2-methylsulfanyl-thiazole-4-carboxylic acid ethyl ester
    —— 5-methyl-oct-7-yn-4-one 51060-10-7 C9H14O
    5-methyl-oct-7-yn-4-one
    —— 5-chloro-12H-benzo[de]-1,3-benzodioxol[4,5-h]isoquinoline 679434-13-0 C17H10ClNO2
    5-chloro-12H-benzo[de]-1,3-benzodioxol[4,5-h]isoquinoline
    —— 5-[2-(4-Dimethylamino-phenyl)-4,4-dimethyl-1-oxo-1λ<sup>4</sup>-thiazolidin-3-ylmethyl]-isophthalic acid diethyl ester 121364-33-8 C26H34N2O5S
    5-[2-(4-Dimethylamino-phenyl)-4,4-dimethyl-1-oxo-1λ<sup>4</sup>-thiazolidin-3-ylmethyl]-isophthalic acid diethyl ester
    —— (5Z,13E)-(8R,11R,12R)-11-hydroxy-9-oxo-15,15-ethylenedioxy-20-ethyl-prostadienoic acid 59619-46-4 C24H38O6
    (5Z,13E)-(8R,11R,12R)-11-hydroxy-9-oxo-15,15-ethylenedioxy-20-ethyl-prostadienoic acid
    —— 5-(4-cyanophenyl)-6-[4-(methylsulfonyl)phenyl]spiro[2.4]hepta-4,6-diene 174454-58-1 C21H17NO2S
    5-(4-cyanophenyl)-6-[4-(methylsulfonyl)phenyl]spiro[2.4]hepta-4,6-diene
    —— 5-fluoro-3-phenylindoline 167545-96-2 C14H12FN
    5-fluoro-3-phenylindoline
    —— 5-(2-benzoyl-benzyl)-oxazolidin-2-one 62826-14-6 C17H15NO3
    5-(2-benzoyl-benzyl)-oxazolidin-2-one
    —— 5,7-Dimethoxy-2-methyl-1H-cyclohepta[b]pyrrol-8-one 19524-55-1 C12H13NO3
    5,7-Dimethoxy-2-methyl-1H-cyclohepta[b]pyrrol-8-one
    —— 5-acetylamino-2-phenyl-pyrimidine-4-carboxylic acid 3-diethylamino-propylamide 28656-62-4 C20H27N5O2
    5-acetylamino-2-phenyl-pyrimidine-4-carboxylic acid 3-diethylamino-propylamide
    —— 5-(4-Acetimidoylamino-2-amino-2,3,4,6-tetradesoxy-α-D-arabinohexopyranosyl)-(1R,2S,3S,4R,5R,6R)-inositol 26289-10-1 C14H27N3O7
    5-(4-Acetimidoylamino-2-amino-2,3,4,6-tetradesoxy-α-D-arabinohexopyranosyl)-(1R,2S,3S,4R,5R,6R)-inositol
    —— 5-[3-(4-acetylamino-phenyl)-4,5-dihydro-pyrazol-1-yl]-3<i>H</i>-isobenzofuran-1-one 33144-65-9 C19H17N3O3
    5-[3-(4-acetylamino-phenyl)-4,5-dihydro-pyrazol-1-yl]-3<i>H</i>-isobenzofuran-1-one
    —— 5-(2,6-Difluorophenyl)-2-phenylsulfanylpyrimido[1,6-b]pyridazin-6-one 209410-09-3 C19H11F2N3OS
    5-(2,6-Difluorophenyl)-2-phenylsulfanylpyrimido[1,6-b]pyridazin-6-one
    —— 5-anilino-4-(<i>N</i>',<i>N</i>'-dimethyl-hydrazinocarbonyl)-3-imino-2-phenyl-2,3-dihydro-thiophene-2-carboxylic acid ethyl ester 27050-31-3 C22H24N4O3S
    5-anilino-4-(<i>N</i>',<i>N</i>'-dimethyl-hydrazinocarbonyl)-3-imino-2-phenyl-2,3-dihydro-thiophene-2-carboxylic acid ethyl ester
    —— 5-(Ethoxy-thiocarbonyl-amino)-2-(4-thiazolyl)-benzimidazol 27217-04-5 C13H12N4OS2
    5-(Ethoxy-thiocarbonyl-amino)-2-(4-thiazolyl)-benzimidazol
    —— 5-(1,3-dihydroxy-2-methyl-2propyl) aminocarbonyl-3-(2-acetoxypropionyl)amino-2,4,6-triiodo-benzoyl chloride 68960-95-2 C17H18ClI3N2O7
    5-(1,3-dihydroxy-2-methyl-2propyl) aminocarbonyl-3-(2-acetoxypropionyl)amino-2,4,6-triiodo-benzoyl chloride
    —— 5-Nitro-N-[2-(phenylmethoxy)ethyl]-N-(phenylmethyl)-2H[1]benzothiopyrano[4,3,2-cd]indazole-2-ethanamine, hydrochloride 94636-59-6 C31H28N4O3S*ClH
    5-Nitro-N-[2-(phenylmethoxy)ethyl]-N-(phenylmethyl)-2H[1]benzothiopyrano[4,3,2-cd]indazole-2-ethanamine, hydrochloride
    —— 5,5'-Diacetyl-5,5',6,6'-tetrahydro-6,6'-biphenanthridyl 63171-04-0 C30H24N2O2
    5,5'-Diacetyl-5,5',6,6'-tetrahydro-6,6'-biphenanthridyl
    —— 5-Chloro-1-ethyl-2-phenyl-1H-indole-3-carboxaldehyde 66727-63-7 C17H14ClNO
    5-Chloro-1-ethyl-2-phenyl-1H-indole-3-carboxaldehyde
    —— 5-ethylidene-1-methylsulfanylcyclopentene 63464-66-4 C8H12S
    5-ethylidene-1-methylsulfanylcyclopentene
    —— 5-(5-((4-chlorophenyl)(methyl)amino)picolinoyl)-2-(1-phenylcyclopentanecarbonyl)benzoic acid 1333921-67-7 C32H27ClN2O4
    5-(5-((4-chlorophenyl)(methyl)amino)picolinoyl)-2-(1-phenylcyclopentanecarbonyl)benzoic acid
    —— 5-Benzylamino-2-formyl-2.4-pentadiennitril 74124-19-9 C13H12N2O
    5-Benzylamino-2-formyl-2.4-pentadiennitril
    —— 5,5,6,6,7,7,7-Heptafluor-3-oxa-heptan 52027-74-4 C6H7F7O
    5,5,6,6,7,7,7-Heptafluor-3-oxa-heptan
    —— 5-Amino-4-cyclopentylamino-6-mercapto-pyrimidin 23126-94-5 C9H14N4S
    5-Amino-4-cyclopentylamino-6-mercapto-pyrimidin
    —— 5-(3,5-bis-methanesulfinyl-4-methoxy-benzyl)-pyrimidine-2,4-diamine 71140-29-9 C14H18N4O3S2
    5-(3,5-bis-methanesulfinyl-4-methoxy-benzyl)-pyrimidine-2,4-diamine
    —— 5-amino-1-phenyl-1<i>H</i>-[1,2,3]triazole-4-carboximidic acid methyl ester 31708-85-7 C10H11N5O
    5-amino-1-phenyl-1<i>H</i>-[1,2,3]triazole-4-carboximidic acid methyl ester
    —— 5-Oxo-2-thioxo-1-butyl-octahydro-imidazo<4,5-d>imidazol 90111-81-2 C8H14N4OS
    5-Oxo-2-thioxo-1-butyl-octahydro-imidazo<4,5-d>imidazol
    —— 5,9-Dimethyl-spiro[3.5]nonan-2-one 1856-37-7 C11H18O
    5,9-Dimethyl-spiro[3.5]nonan-2-one
    —— 5-Ethyl-spiro[2.4]hept-5-en-4-one 30122-07-7 C9H12O
    5-Ethyl-spiro[2.4]hept-5-en-4-one
    —— 5-Hydroxy-3-methyl-benzo[e][1,3]oxazine-2,4-dione 52280-87-2 C9H7NO4
    5-Hydroxy-3-methyl-benzo[e][1,3]oxazine-2,4-dione
    —— 5-Ethyl-7-acetyl-8-hydroxychinolin 92028-70-1 C13H13NO2
    5-Ethyl-7-acetyl-8-hydroxychinolin
    —— (5S,6S)-5-benzyloxycarbonylamino-6-tert-butoxycarbonylaminocyclohexen-3-one 927395-53-7 C19H24N2O5
    (5S,6S)-5-benzyloxycarbonylamino-6-tert-butoxycarbonylaminocyclohexen-3-one
    —— 5-[1-Amino-eth-(Z)-ylidene]-3-methyl-[1,3]oxazinane-2,4,6-trione 57508-38-0 C7H8N2O4
    5-[1-Amino-eth-(Z)-ylidene]-3-methyl-[1,3]oxazinane-2,4,6-trione
    —— 5-hydroxy-N-[4-(isopropylsulfonyl)benzyl]-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2-dihydropyridine-3-carboxamide 848183-43-7 C24H23F3N2O5S
    5-hydroxy-N-[4-(isopropylsulfonyl)benzyl]-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2-dihydropyridine-3-carboxamide
    —— 5,6,8-Trichlor-chinoxalin 19853-66-8 C8H3Cl3N2
    5,6,8-Trichlor-chinoxalin
    —— 5-hydroxy-5,6-dihydro-6-methyluracil-6-yl 77802-11-0 C5H7N2O3
    5-hydroxy-5,6-dihydro-6-methyluracil-6-yl
    —— 5,12-Bis-(4-bromomethyl-phenyl)-2,9-dipropyl-anthra[2,1,9-def;6,5,10-d'e'f']diisoquinoline-1,3,8,10-tetraone 497266-52-1 C44H32Br2N2O4
    5,12-Bis-(4-bromomethyl-phenyl)-2,9-dipropyl-anthra[2,1,9-def;6,5,10-d'e'f']diisoquinoline-1,3,8,10-tetraone
    —— 5-Hydroxy-4-nitro-thionaphthen 100958-91-6 C8H5NO3S
    5-Hydroxy-4-nitro-thionaphthen
    —— 5-Acetyl-8-chlorchinolin 28489-11-4 C11H8ClNO
    5-Acetyl-8-chlorchinolin
    —— 5-Cyano-7-ethylisatin 34921-73-8 C11H8N2O2
    5-Cyano-7-ethylisatin
    —— 5-Nitro-4-methylmercapto-chinazolin 101714-51-6 C9H7N3O2S
    5-Nitro-4-methylmercapto-chinazolin