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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-methyl-2-{(diphenylphosphino)pentacarbonyltungsten}phosphinine 134654-87-8 C23H16O5P2W
    5-methyl-2-{(diphenylphosphino)pentacarbonyltungsten}phosphinine
    —— 5,17-diisocyanato-25,26,27,28-tetrapropoxycalix[4]arene 655244-42-1 C42H46N2O4
    5,17-diisocyanato-25,26,27,28-tetrapropoxycalix[4]arene
    —— 5'-(4-methoxyphenyl)-6',6a',7',9'-tetrahydro-5'H-spiro{[1,3]dioxolane-2,8'-phenanthridine} 1284229-81-7 C22H23NO3
    5'-(4-methoxyphenyl)-6',6a',7',9'-tetrahydro-5'H-spiro{[1,3]dioxolane-2,8'-phenanthridine}
    —— 5-(4-((1r,4r)-4-(3-chloropyridin-4-yloxy)cyclohexyloxy)piperidin-1-yl)-3-isopropyl-1,2,4-oxadiazole 1415818-31-3 C21H29ClN4O3
    5-(4-((1r,4r)-4-(3-chloropyridin-4-yloxy)cyclohexyloxy)piperidin-1-yl)-3-isopropyl-1,2,4-oxadiazole
    —— (5-Fluor-2-allyloxy-phenyl)-propenyl-keton 3836-31-5 C13H13FO2
    (5-Fluor-2-allyloxy-phenyl)-propenyl-keton
    —— 5-chloro-N-[4-chloro-2-[(1-cyano-1-cyclopropylethyl)carbamoyl]-6-methylphenyl]-2-(3-chloropyridin-2-yl)pyrazole-3-carboxamide 1029975-10-7 C23H19Cl3N6O2
    5-chloro-N-[4-chloro-2-[(1-cyano-1-cyclopropylethyl)carbamoyl]-6-methylphenyl]-2-(3-chloropyridin-2-yl)pyrazole-3-carboxamide
    —— 5-bromo-3-[(3,3-difluoropiperidin-1-yl)sulfonyl]-1H-indole-2-carboxamide 918494-76-5 C14H14BrF2N3O3S
    5-bromo-3-[(3,3-difluoropiperidin-1-yl)sulfonyl]-1H-indole-2-carboxamide
    —— (5R,6R,7R,8S,8aR)-6,7,8-Tris-benzyloxy-5-benzyloxymethyl-octahydro-indolizine 137326-08-0 C37H41NO4
    (5R,6R,7R,8S,8aR)-6,7,8-Tris-benzyloxy-5-benzyloxymethyl-octahydro-indolizine
    —— 5-tert-butyl-4-oxo-1,4-dihydropyridine-3-carbaldehyde 1376513-73-3 C10H13NO2
    5-tert-butyl-4-oxo-1,4-dihydropyridine-3-carbaldehyde
    —— 5R,6S-5'-benzoyl-5,6-dihydro-5-hydroxy-6-(4-methoxythiophenyl)-thymidine 1374759-49-5 C24H26N2O8S
    5R,6S-5'-benzoyl-5,6-dihydro-5-hydroxy-6-(4-methoxythiophenyl)-thymidine
    —— 5-chloro-1,3-dihydro-3-[2-(phenyl)-ethylidene]-2H-indol-2-one hydrazinecarbodithioic acid phenylmethyl ester 1221507-95-4 C24H18ClN3OS2
    5-chloro-1,3-dihydro-3-[2-(phenyl)-ethylidene]-2H-indol-2-one hydrazinecarbodithioic acid phenylmethyl ester
    —— 5'-bromo-5'-(tert-butyl)-2',3',3',3',5',5',5',6'-octamethyldispiro[cyclohexane-1,2'-4,8,12,16-tetraaza-1,3,9,11(1,4),6,14(1,3)-hexabenzenacyclohexadecaphane-10',1''-cyclohexane]-5',7',13',15'-tetraone 1104951-03-2 C64H71BrN4O4
    5'-bromo-5'-(tert-butyl)-2',3',3',3',5',5',5',6'-octamethyldispiro[cyclohexane-1,2'-4,8,12,16-tetraaza-1,3,9,11(1,4),6,14(1,3)-hexabenzenacyclohexadecaphane-10',1''-cyclohexane]-5',7',13',15'-tetraone
    —— 5-Deoxy-4a(R)-hydroxy-4a-carba-α-D-ribo-hexofuranose 261631-10-1 C7H14O5
    5-Deoxy-4a(R)-hydroxy-4a-carba-α-D-ribo-hexofuranose
    —— 5-ethoxy-5-(4-bromo-phenyl)-1,3-diphenyl-1,5-dihydro-pyrrol-2-one 856197-12-1 C24H20BrNO2
    5-ethoxy-5-(4-bromo-phenyl)-1,3-diphenyl-1,5-dihydro-pyrrol-2-one
    —— 5-methyl-1-(1,1-diphenylmethyl)-1H-pyrazole-3,4-dicarboxylic acid dimethyl ester 143300-70-3 C21H20N2O4
    5-methyl-1-(1,1-diphenylmethyl)-1H-pyrazole-3,4-dicarboxylic acid dimethyl ester
    —— 5-[2-(4-Chloro-phenyl)-2-oxo-eth-(E)-ylidene]-2-imino-4-oxo-oxazolidine-3-carboxamidine 122351-55-7 C12H9ClN4O3
    5-[2-(4-Chloro-phenyl)-2-oxo-eth-(E)-ylidene]-2-imino-4-oxo-oxazolidine-3-carboxamidine
    —— 5-Jod-isophthalsaeure-di-isobutylester 5008-28-6 C16H21IO4
    5-Jod-isophthalsaeure-di-isobutylester
    —— 5t(?)-[2]furyl-2-heptyl-penta-2ξ,4-dienal 101277-21-8 C16H22O2
    5t(?)-[2]furyl-2-heptyl-penta-2ξ,4-dienal
    —— 5-(2-(2-(4-fluorophenyl)-5-methyloxazol-4-yl)ethoxy)-1-(2-(1H-tetrazol-5-yl)ethyl)-1,2,3,4-tetrahydroquinoline 479252-50-1 C24H25FN6O2
    5-(2-(2-(4-fluorophenyl)-5-methyloxazol-4-yl)ethoxy)-1-(2-(1H-tetrazol-5-yl)ethyl)-1,2,3,4-tetrahydroquinoline
    —— 5-(benzyloxy)-1-(cyclopropylmethyl)-4-iodo-1H-benzotriazole 1268314-73-3 C17H16IN3O
    5-(benzyloxy)-1-(cyclopropylmethyl)-4-iodo-1H-benzotriazole
    —— 5-Pyridin-3-ylbenzo[g][1]benzofuran-2-carboxylic acid 1431734-65-4 C18H11NO3
    5-Pyridin-3-ylbenzo[g][1]benzofuran-2-carboxylic acid
    —— (5R,6S,4'RS)-6-hydroxy-2-methyl-5-(2',2',4'-trimethyl-1',3'-dioxolan-4'-yl)cyclohex-2-en-1-one 1393528-81-8 C13H20O4
    (5R,6S,4'RS)-6-hydroxy-2-methyl-5-(2',2',4'-trimethyl-1',3'-dioxolan-4'-yl)cyclohex-2-en-1-one
    —— 5-methyl 2-((1R,2S)-2-phenylcyclohexyl) pyridine-2,5-dicarboxylate 1374411-68-3 C20H21NO4
    5-methyl 2-((1R,2S)-2-phenylcyclohexyl) pyridine-2,5-dicarboxylate
    —— 5-{4-[1-(4-butyl-phenyl)-ethylideneaminooxy]-butyl}-2-methyl-[1,3]dioxane-2-carboxylic acid 948596-81-4 C22H33NO5
    5-{4-[1-(4-butyl-phenyl)-ethylideneaminooxy]-butyl}-2-methyl-[1,3]dioxane-2-carboxylic acid
    —— 5,8-dimethyl-2-[2-(1-methyl-4-pyrimidin-5-yl-1H-imidazol-2-yl)-ethyl]-[1,2,4]triazolo[1,5-a]pyrazine 1312160-48-7 C17H18N8
    5,8-dimethyl-2-[2-(1-methyl-4-pyrimidin-5-yl-1H-imidazol-2-yl)-ethyl]-[1,2,4]triazolo[1,5-a]pyrazine
    —— [5-(4-chloro-benzylidene)-2-oxo-2,5-dihydro-thiazol-4-ylsulfanyl]-acetic acid ethyl ester 51746-54-4 C14H12ClNO3S2
    [5-(4-chloro-benzylidene)-2-oxo-2,5-dihydro-thiazol-4-ylsulfanyl]-acetic acid ethyl ester
    —— 5-methyl-3-phenyl-2-propoxy-2,3-dihydro-[1,3,4,2]oxadiazaphosphole 2-sulfide 20076-69-1 C11H15N2O2PS
    5-methyl-3-phenyl-2-propoxy-2,3-dihydro-[1,3,4,2]oxadiazaphosphole 2-sulfide
    —— [5-(6-dimethylamino-4-trifluoromethyl-pyridin-3-yl)-3,6-diethyl-pyrazin-2-yl]-(1-ethyl-propyl)-amine 666255-43-2 C21H30F3N5
    [5-(6-dimethylamino-4-trifluoromethyl-pyridin-3-yl)-3,6-diethyl-pyrazin-2-yl]-(1-ethyl-propyl)-amine
    —— (5Z,7E,22E)-(1S,3R,24S)-25-heptyl-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol 223108-81-4 C34H54O3
    (5Z,7E,22E)-(1S,3R,24S)-25-heptyl-26,27-cyclo-9,10-secocholesta-5,7,10(19),22-tetraene-1,3,24-triol
    —— 5-<Bis(ethoxycarbonyl)methylenamino>-4,5-dihydro-2,5-dimethyl-4-phenyl-3-furancarbonsaeure-tert-butylester 89730-48-3 C24H31NO7
    5-<Bis(ethoxycarbonyl)methylenamino>-4,5-dihydro-2,5-dimethyl-4-phenyl-3-furancarbonsaeure-tert-butylester
    —— 5-Methoxysalicylphosphat 35825-36-6 C8H9O7P
    5-Methoxysalicylphosphat
    —— 5-(3,6-Dihydro-2H-pyridin-1-yl)-pentanoic acid ethyl ester 86931-44-4 C12H21NO2
    5-(3,6-Dihydro-2H-pyridin-1-yl)-pentanoic acid ethyl ester
    —— 5-(2-hydroxy-phenyl)-3-(4-methoxy-anilinomethyl)-3<i>H</i>-[1,3,4]oxadiazole-2-thione 54587-74-5 C16H15N3O3S
    5-(2-hydroxy-phenyl)-3-(4-methoxy-anilinomethyl)-3<i>H</i>-[1,3,4]oxadiazole-2-thione
    —— 5a,11b-Dibrom-5,6,11,12,-tetraoxo-5,5a,5b,6,11,11a,11b,12-octahydro-dibenzo(b,h)biphenylen 19817-53-9 C20H10Br2O4
    5a,11b-Dibrom-5,6,11,12,-tetraoxo-5,5a,5b,6,11,11a,11b,12-octahydro-dibenzo(b,h)biphenylen
    —— 5-methyl-4-(1-methyl-1H-indol-3-yl)-6-oxo-2-phenyl-6H-pyran-3-carbonitrile 1542214-83-4 C22H16N2O2
    5-methyl-4-(1-methyl-1H-indol-3-yl)-6-oxo-2-phenyl-6H-pyran-3-carbonitrile
    —— 5-amino-3-phenylmethylene-2,6,11-trioxo-1,2,3,6,11,11a-hexahydrobenzo[g]pyrrolo[1,2-a]quinoline-4-carbonitrile 497833-41-7 C24H15N3O3
    5-amino-3-phenylmethylene-2,6,11-trioxo-1,2,3,6,11,11a-hexahydrobenzo[g]pyrrolo[1,2-a]quinoline-4-carbonitrile
    —— 5-isocyano-1,2,3,4-tetrahydronaphthalene 1984-02-7 C11H11N
    5-isocyano-1,2,3,4-tetrahydronaphthalene
    —— 5-amino-2-(4-methoxy-phenyl)-1(3)<i>H</i>-imidazole-4-carboxylic acid ethyl ester 36145-92-3 C13H15N3O3
    5-amino-2-(4-methoxy-phenyl)-1(3)<i>H</i>-imidazole-4-carboxylic acid ethyl ester
    —— 5-methyl-3-[(5-methyl-[1,2,4]triazolo[4,3-c]quinazolin-3-yl)disulfanyl]-[1,2,4]triazolo[4,3-c]quinazoline 94445-29-1 C20H14N8S2
    5-methyl-3-[(5-methyl-[1,2,4]triazolo[4,3-c]quinazolin-3-yl)disulfanyl]-[1,2,4]triazolo[4,3-c]quinazoline
    —— 5-p-chlorophenyl-6-iodo-8-phenyl-2H-pyrazolo[1,5-c]-1,2,4-triazolo[4,3-a]pyrimidine-3-thione 1338219-21-8 C19H11ClIN5S
    5-p-chlorophenyl-6-iodo-8-phenyl-2H-pyrazolo[1,5-c]-1,2,4-triazolo[4,3-a]pyrimidine-3-thione
    —— 5-[1-(4-Chloro-phenyl)-meth-(Z)-ylidene]-3-[(methyl-phenyl-amino)-methyl]-2-methylsulfanyl-3,5-dihydro-imidazol-4-one 128256-89-3 C19H18ClN3OS
    5-[1-(4-Chloro-phenyl)-meth-(Z)-ylidene]-3-[(methyl-phenyl-amino)-methyl]-2-methylsulfanyl-3,5-dihydro-imidazol-4-one
    —— 5-amino-4,5-dihydro-1-phenyl-6-phenylaminopyrazolo[3,4-d]pyrimidin-4-one 279670-90-5 C17H14N6O
    5-amino-4,5-dihydro-1-phenyl-6-phenylaminopyrazolo[3,4-d]pyrimidin-4-one
    —— 5-Oxatricyclo<7.4.0.0>trideca-2.7.10.12-tetraen 58459-73-7 C12H12O
    5-Oxatricyclo<7.4.0.0>trideca-2.7.10.12-tetraen
    —— [5-(3',5'-dimethoxybenzoyl)-2,4-dihydro-3H-pyrazol-3-ylidene]bisphosphonic acid tetraethyl ester 132508-37-3 C20H32N2O9P2
    [5-(3',5'-dimethoxybenzoyl)-2,4-dihydro-3H-pyrazol-3-ylidene]bisphosphonic acid tetraethyl ester
    —— 5-(3-methoxy-2-[(1,1,1-triisopropylsilyl)oxy]benzyl)-2,2,5-trimethyl-1,3-dioxane-4,6-dione 848610-88-8 C24H38O6Si
    5-(3-methoxy-2-[(1,1,1-triisopropylsilyl)oxy]benzyl)-2,2,5-trimethyl-1,3-dioxane-4,6-dione
    —— 5,5-diethyl-1-(2,5-dimethyl-benzyl)-2-thio-barbituric acid 109091-59-0 C17H22N2O2S
    5,5-diethyl-1-(2,5-dimethyl-benzyl)-2-thio-barbituric acid
    —— 5-[2-(6-Aminopyridin-3-yl)ethynyl]-4-[2-fluoro-3-(trifluoromethyl)phenyl]-6-methylpyrimidin-2-amine 1207349-32-3 C19H13F4N5
    5-[2-(6-Aminopyridin-3-yl)ethynyl]-4-[2-fluoro-3-(trifluoromethyl)phenyl]-6-methylpyrimidin-2-amine
    —— 5,7-dimethyl-tetrazolo[1,5-<i>a</i>]quinoline 35229-52-8 C11H10N4
    5,7-dimethyl-tetrazolo[1,5-<i>a</i>]quinoline
    —— 5-[4-[(4-bromo-2-fluorophenyl)methoxy]-2-methoxyphenyl]-2-(3-methylphenyl)-1H-imidazole 1239260-87-7 C24H20BrFN2O2
    5-[4-[(4-bromo-2-fluorophenyl)methoxy]-2-methoxyphenyl]-2-(3-methylphenyl)-1H-imidazole
    —— (5S)-5-furo[3,2-b]pyridin-2-yl-5-[(5-methoxy-3-oxo-1H-isoindol-2-yl)methyl]-3-propan-2-ylimidazolidine-2,4-dione 1219812-76-6 C23H22N4O5
    (5S)-5-furo[3,2-b]pyridin-2-yl-5-[(5-methoxy-3-oxo-1H-isoindol-2-yl)methyl]-3-propan-2-ylimidazolidine-2,4-dione