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中文名称 英文名称 CAS号 化学式 结构式图片
—— 5α-pregn-20(21)-en-12-one ethylene acetal 86679-67-6 C23H36O2
5α-pregn-20(21)-en-12-one ethylene acetal
—— 5-bromo-4'-(trifluoromethyl)biphenyl-2-yl acetate 1187442-48-3 C15H10BrF3O2
5-bromo-4'-(trifluoromethyl)biphenyl-2-yl acetate
—— 5-[(6-Methoxy-8-quinolinyl)amino]pentanal oxime 209674-14-6 C15H19N3O2
5-[(6-Methoxy-8-quinolinyl)amino]pentanal oxime
—— 5-chloro-1-oxo-2-trifluoromethyl-indan-2-carboxylic acid allyl ester 1332702-26-7 C14H10ClF3O3
5-chloro-1-oxo-2-trifluoromethyl-indan-2-carboxylic acid allyl ester
—— 5-(3'-methoxybiphenyl-4-yl)-3-(3-methoxyphenyl)-1-methyl-1H-1,2,4-triazole 1398410-00-8 C23H21N3O2
5-(3'-methoxybiphenyl-4-yl)-3-(3-methoxyphenyl)-1-methyl-1H-1,2,4-triazole
—— 5,5'-(1,3,5,7-tetraoxo-3a,4,4a,5,7,7a,8,8a-octahydro-4,8-ethenopyrrolo[3,4-f]isoindole-2,6(1H,3H)-diyl)diisophthalic acid 1312689-01-2 C28H18N2O12
5,5'-(1,3,5,7-tetraoxo-3a,4,4a,5,7,7a,8,8a-octahydro-4,8-ethenopyrrolo[3,4-f]isoindole-2,6(1H,3H)-diyl)diisophthalic acid
—— 5-chloro-2-hydroxybenzaldehyde-N-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)hydrazone 1174906-65-0 C15H10ClN3O2
5-chloro-2-hydroxybenzaldehyde-N-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)hydrazone
—— 5-(4-biphenyl)-3-methyl-4-{2-[2-(1-trityl-4-piperidyl)ethoxy]phenyl}-1,2,4-triazole 784213-18-9 C47H44N4O
5-(4-biphenyl)-3-methyl-4-{2-[2-(1-trityl-4-piperidyl)ethoxy]phenyl}-1,2,4-triazole
—— 5,7-dichloro-4-{[2-(1H-tetrazol-5-yl)-phenylcarbamoyl]-methoxy}-naphthalene-2-carboxylic acid 1257343-45-5 C20H13Cl2N5O4
5,7-dichloro-4-{[2-(1H-tetrazol-5-yl)-phenylcarbamoyl]-methoxy}-naphthalene-2-carboxylic acid
—— 5-Brom-N-acetyl-indolin-3-essigsaeure 40118-27-2 C12H12BrNO3
5-Brom-N-acetyl-indolin-3-essigsaeure
—— 5-[2-Amino-5-(trifluoromethyl)phenyl]-4-pentynoic acid methyl ester 927962-34-3 C13H12F3NO2
5-[2-Amino-5-(trifluoromethyl)phenyl]-4-pentynoic acid methyl ester
—— 5-ethoxycarbonyl-2',3'-O-isopropylidene-5'-O-methoxymethyl-5,6-dihydrouridine 99437-82-8 C17H26N2O9
5-ethoxycarbonyl-2',3'-O-isopropylidene-5'-O-methoxymethyl-5,6-dihydrouridine
—— 5'-(4-chlorophenyl)-1'-methylspiro[fluorene-9,3'-pyrrolidine]-4',4'-dicarbonitrile 1070972-46-1 C25H18ClN3
5'-(4-chlorophenyl)-1'-methylspiro[fluorene-9,3'-pyrrolidine]-4',4'-dicarbonitrile
—— 5-<4-(3-benzyloxycarbonylaminopropionylamino)benzyl>thiazolidine-2,4-dione hydrobromide 85010-80-6 C21H21N3O5S
5-<4-(3-benzyloxycarbonylaminopropionylamino)benzyl>thiazolidine-2,4-dione hydrobromide
—— 5-(5-ethyl-2-methyl-6-oxo-1,6-dihydropyridin-3-yl)thiophene-2-sulfonic acid (1-tert-butyloxycarbonylpiperidin-4-yl)methylamide 867007-56-5 C23H33N3O5S2
5-(5-ethyl-2-methyl-6-oxo-1,6-dihydropyridin-3-yl)thiophene-2-sulfonic acid (1-tert-butyloxycarbonylpiperidin-4-yl)methylamide
—— 5-(2-butyl-1,3-dimethyl-2<i>H</i>-cyclohepta[<i>c</i>]pyrrol-6-ylidene)-1,3-dimethyl-pyrimidine-2,4,6-trione 59804-53-4 C21H25N3O3
5-(2-butyl-1,3-dimethyl-2<i>H</i>-cyclohepta[<i>c</i>]pyrrol-6-ylidene)-1,3-dimethyl-pyrimidine-2,4,6-trione
—— (5R)-3-bromo-5-[3-chloro-4-(trifluoromethoxy)phenyl]-4,5-dihydro-1,2-oxazole 1256369-29-5 C10H6BrClF3NO2
(5R)-3-bromo-5-[3-chloro-4-(trifluoromethoxy)phenyl]-4,5-dihydro-1,2-oxazole
—— (5-Chloro-2-hydroxyphenyl)-(3-nitrophenyl)methanone 126260-47-7 C13H8ClNO4
(5-Chloro-2-hydroxyphenyl)-(3-nitrophenyl)methanone
—— 5,7-bis-(1,1-dioxo-1λ<sup>6</sup>-thiomorpholin-4-yl)-thiazolo[5,4-<i>d</i>]pyrimidine 41975-06-8 C13H17N5O4S3
5,7-bis-(1,1-dioxo-1λ<sup>6</sup>-thiomorpholin-4-yl)-thiazolo[5,4-<i>d</i>]pyrimidine
—— 5-[6-chloro-5-(4'-hydroxy-biphenyl-4-yl)-1H-benzoimidazol-2-yloxy]-2-methyl-benzoic acid 1219738-15-4 C27H19ClN2O4
5-[6-chloro-5-(4'-hydroxy-biphenyl-4-yl)-1H-benzoimidazol-2-yloxy]-2-methyl-benzoic acid
—— 5-(6-chloro-1',3'-dimethyl-2'-oxo-2',3'-dihydro-1H,1'H-[5,5']bibenzoimidazolyl-2-yloxy)-2-methyl-benzoic acid 1219739-42-0 C24H19ClN4O4
5-(6-chloro-1',3'-dimethyl-2'-oxo-2',3'-dihydro-1H,1'H-[5,5']bibenzoimidazolyl-2-yloxy)-2-methyl-benzoic acid
—— 5-(2-ethoxy-phenoxymethyl)-oxazolidin-2-one 91642-15-8 C12H15NO4
5-(2-ethoxy-phenoxymethyl)-oxazolidin-2-one
—— 5-benzyl-3-phenyl-1-(3-guanidino-propyl)-4,6-dioxo-octahydro-pyrrolo[3,4-c]pyrrole-1-carboxamide 182189-48-6 C24H28N6O3
5-benzyl-3-phenyl-1-(3-guanidino-propyl)-4,6-dioxo-octahydro-pyrrolo[3,4-c]pyrrole-1-carboxamide
—— 5,5-diphenyl-2-thiophen-2-yl-3-{3-[4-(3-trifluoromethyl-phenyl)-piperidin-1-yl]-propyl}-3,5-dihydro-imidazol-4-one 721954-74-1 C34H32F3N3OS
5,5-diphenyl-2-thiophen-2-yl-3-{3-[4-(3-trifluoromethyl-phenyl)-piperidin-1-yl]-propyl}-3,5-dihydro-imidazol-4-one
—— 5-[1-Bromo-eth-(Z)-ylidene]-2,3,4,4-tetramethyl-4,5-dihydro-oxazol-3-ium; bromide 25553-32-6 Br*C9H15BrNO
5-[1-Bromo-eth-(Z)-ylidene]-2,3,4,4-tetramethyl-4,5-dihydro-oxazol-3-ium; bromide
—— 5-ethylamino-2,4-dinitrophenyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside 857631-72-2 C22H27N3O13S
5-ethylamino-2,4-dinitrophenyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside
—— 5-methyl-4-(2-morpholine-4-ylethyl)-2-[(4-bromophenyl)sulfonyl]-2,4-dihydro-3H-1,2,4-triazole-3-one 1393586-19-0 C15H19BrN4O4S
5-methyl-4-(2-morpholine-4-ylethyl)-2-[(4-bromophenyl)sulfonyl]-2,4-dihydro-3H-1,2,4-triazole-3-one
—— 5-chloro-4-(1H-pyrazol-4-yl)-N-(pyrimidin-2-yl)thiazol-2-amine 1235313-07-1 C10H7ClN6S
5-chloro-4-(1H-pyrazol-4-yl)-N-(pyrimidin-2-yl)thiazol-2-amine
—— 5-ethylidene-3-(α-hydroxy-3,4-dimethoxybenzyl)-4-methoxyfuran-2(5H)-one 82289-98-3 C16H18O6
5-ethylidene-3-(α-hydroxy-3,4-dimethoxybenzyl)-4-methoxyfuran-2(5H)-one
—— 5,5'-dimethoxysalphen Fe(III) chloride 1202509-35-0 C22H18FeN2O4*Cl
5,5'-dimethoxysalphen Fe(III) chloride
—— 5-bromo-5'-(3,4,5-tri-n-octadecyloxybenzoyl)-[2,2']bithiophene 1001590-58-4 C69H117BrO4S2
5-bromo-5'-(3,4,5-tri-n-octadecyloxybenzoyl)-[2,2']bithiophene
—— 5-(2-chlorophenyl)-1-(cyclopropylmethyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one 1352420-96-2 C17H16ClN3O
5-(2-chlorophenyl)-1-(cyclopropylmethyl)-3-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one
—— 5-Chloro-4-fluoro-2-(trifluoromethoxy)aniline 1805115-99-4 C7H4ClF4NO
5-Chloro-4-fluoro-2-(trifluoromethoxy)aniline
—— 5-(1-biphenyl-4-ylmethyl)-6-oxo-5,6-dihydrophenanthridine-2-carbonitrile 882023-54-3 C27H18N2O
5-(1-biphenyl-4-ylmethyl)-6-oxo-5,6-dihydrophenanthridine-2-carbonitrile
—— (5R)-5-ethyl-5-methyl-3-(2-spiro[1H-isobenzofuran-3,1'-cyclopentane]-5-yloxypyrimidin-5-yl)imidazolidine-2,4-dione 1415598-18-3 C22H24N4O4
(5R)-5-ethyl-5-methyl-3-(2-spiro[1H-isobenzofuran-3,1'-cyclopentane]-5-yloxypyrimidin-5-yl)imidazolidine-2,4-dione
—— 5-(3-benzylamino-2-hydroxy-propoxy)-1-ethyl-3,4-dihydro-1<i>H</i>-quinolin-2-one 54987-73-4 C21H26N2O3
5-(3-benzylamino-2-hydroxy-propoxy)-1-ethyl-3,4-dihydro-1<i>H</i>-quinolin-2-one
—— (5Z)-5-{[3-(3-fluoro-4-methylphenyl)-1-phenyl-1H-pyrazol-4-yl]methylene}-3-octyl-2-thioxo-1,3-thiazolidin-4-one 623939-80-0 C28H30FN3OS2
(5Z)-5-{[3-(3-fluoro-4-methylphenyl)-1-phenyl-1H-pyrazol-4-yl]methylene}-3-octyl-2-thioxo-1,3-thiazolidin-4-one
—— 5-Phenylthiocarbamoylimino-3-o-tolylimino-4-o-tolyl-1,2,4-thiadiazolidin 96505-01-0 C23H21N5S2
5-Phenylthiocarbamoylimino-3-o-tolylimino-4-o-tolyl-1,2,4-thiadiazolidin
—— (5-tert-Butyl-2-methoxy-3-{3-[4-(3-methylcarbamoyl-phenoxy)-naphthalen-1-yl]-ureido}-phenyl)-carbamic acid methyl ester 473271-54-4 C32H34N4O6
(5-tert-Butyl-2-methoxy-3-{3-[4-(3-methylcarbamoyl-phenoxy)-naphthalen-1-yl]-ureido}-phenyl)-carbamic acid methyl ester
—— 5-(3,3-bis(7-(4-chlorophenyl)-5-phenyl-7H-thiazolo[3,2-a]pyrimidin-3-yl)-2-phenylpropyl)-3-methyl-4-nitroisoxazole 1389313-11-4 C49H36Cl2N6O3S2
5-(3,3-bis(7-(4-chlorophenyl)-5-phenyl-7H-thiazolo[3,2-a]pyrimidin-3-yl)-2-phenylpropyl)-3-methyl-4-nitroisoxazole
—— (5aS,10bR)-3-hydroxy-2-(4-methoxy-2-methylphenyl)-3-methyl-3a,4,5a,10b-tetrahydro-3H,6H-imidazo[1,5-d]indeno[2,1-b][1,4]oxazin-2-ium perchlorate 1093843-97-0 C22H25N2O3*ClO4
(5aS,10bR)-3-hydroxy-2-(4-methoxy-2-methylphenyl)-3-methyl-3a,4,5a,10b-tetrahydro-3H,6H-imidazo[1,5-d]indeno[2,1-b][1,4]oxazin-2-ium perchlorate
—— 5,7-bis[(3,5-bis(trifluoromethyl)phenyl)methyl]-2-chloro-1,3-diaza-2-phospha-tricyclo[3.3.1.13,7]decane-6-one2-oxide 1604777-51-6 C25H18ClF12N2O2P
5,7-bis[(3,5-bis(trifluoromethyl)phenyl)methyl]-2-chloro-1,3-diaza-2-phospha-tricyclo[3.3.1.13,7]decane-6-one2-oxide
—— 5,5-(ethylenedioxy)-2,4aβ-dimethyl-trans-3,4,4a,5,6,7,8,8a-octahydronaphthalene 100432-08-4 C14H22O2
5,5-(ethylenedioxy)-2,4aβ-dimethyl-trans-3,4,4a,5,6,7,8,8a-octahydronaphthalene
—— 5-(4-pyridyl)-10,15,20-tri(p-hydroxyphenyl)porphyrin 127822-97-3 C43H29N5O3
5-(4-pyridyl)-10,15,20-tri(p-hydroxyphenyl)porphyrin
—— 5-methoxy-3-(1-methylpentyl)-1H-indole 1235872-96-4 C15H21NO
5-methoxy-3-(1-methylpentyl)-1H-indole
—— 5-(3-nitrophenyl)-3-(4,6-dimorpholin-4-yl-1,3,5-triazin-2-yl)-1,3,4-thiadiazolium-2-thiolate 1309437-30-6 C19H20N8O4S2
5-(3-nitrophenyl)-3-(4,6-dimorpholin-4-yl-1,3,5-triazin-2-yl)-1,3,4-thiadiazolium-2-thiolate
—— 5-benzo[1,3]dioxol-5-ylmethyl-4,5,6,7-tetrahydro-furo[3,2-c]pyridine 55143-00-5 C15H15NO3
5-benzo[1,3]dioxol-5-ylmethyl-4,5,6,7-tetrahydro-furo[3,2-c]pyridine
—— (5R)-5-methyl-3-[6-(1,3-thiazol-2-yl)pyridin-3-yl]oxy-5-[4-(trifluoromethoxy)phenyl]-4H-1,2-oxazole 1256370-08-7 C19H14F3N3O3S
(5R)-5-methyl-3-[6-(1,3-thiazol-2-yl)pyridin-3-yl]oxy-5-[4-(trifluoromethoxy)phenyl]-4H-1,2-oxazole
—— 5-cyano-2-hydroxy-2-methyl-4-phenyl-3-pyridin-1-ium-1-yl-3,4-dihydro-1H-pyridine-6-thiolate 138914-95-1 C18H17N3OS
5-cyano-2-hydroxy-2-methyl-4-phenyl-3-pyridin-1-ium-1-yl-3,4-dihydro-1H-pyridine-6-thiolate
—— 5-Methyl-1H-1,2,3-triazole-4-carbaldehyde 1512663-84-1 C4H5N3O
5-Methyl-1H-1,2,3-triazole-4-carbaldehyde