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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5,7-dimethyl-1,2-dihydro-cyclopent[cd]azulene 65179-31-9 C14H14
    5,7-dimethyl-1,2-dihydro-cyclopent[cd]azulene
    —— 5-formylmesoporphyrin dimethyl ester nickel (II) complex 800380-90-9 C37H40N4NiO5
    5-formylmesoporphyrin dimethyl ester nickel (II) complex
    —— 5-(2-(pyrimidin-5-yl)ethyl)furan-2-carbaldehyde 1159426-44-4 C11H10N2O2
    5-(2-(pyrimidin-5-yl)ethyl)furan-2-carbaldehyde
    —— 5-(5-Bromo-2-methoxy-phenyl)-5-hydroxy-pentanoic acid methyl ester 63359-23-9 C13H17BrO4
    5-(5-Bromo-2-methoxy-phenyl)-5-hydroxy-pentanoic acid methyl ester
    —— 5-Nitro-2-phenylamino-benzoic acid [1-(4-hydroxy-phenyl)-meth-(E)-ylidene]-hydrazide 60893-50-7 C20H16N4O4
    5-Nitro-2-phenylamino-benzoic acid [1-(4-hydroxy-phenyl)-meth-(E)-ylidene]-hydrazide
    —— (5-{2-[2-(Difluoro-methoxycarbonyl-methoxy)-1,1,2,2-tetrafluoro-ethoxy]-1,1,2,2-tetrafluoro-ethoxy}-1,1,2,2,3,3,4,4,5,5-decafluoro-pentyloxy)-difluoro-acetic acid methyl ester 55678-34-7 C15H6F22O8
    (5-{2-[2-(Difluoro-methoxycarbonyl-methoxy)-1,1,2,2-tetrafluoro-ethoxy]-1,1,2,2-tetrafluoro-ethoxy}-1,1,2,2,3,3,4,4,5,5-decafluoro-pentyloxy)-difluoro-acetic acid methyl ester
    —— 5,8-dibromo-3-(furan-2-yl)-2-naphthonitrile 1556864-73-3 C15H7Br2NO
    5,8-dibromo-3-(furan-2-yl)-2-naphthonitrile
    —— 5,7-dimethyl-3-dimethylamino-1-phenyl-2(4),5-dihydro-1<i>H</i>-pyrimido[4,5-<i>e</i>][1,2,4]triazine-6,8-dione 54014-76-5 C15H18N6O2
    5,7-dimethyl-3-dimethylamino-1-phenyl-2(4),5-dihydro-1<i>H</i>-pyrimido[4,5-<i>e</i>][1,2,4]triazine-6,8-dione
    —— (5-Chloro-thiophen-2-yl)-(1-hydroxy-cyclohexyl)-phosphinic acid ethyl ester 59466-79-4 C12H18ClO3PS
    (5-Chloro-thiophen-2-yl)-(1-hydroxy-cyclohexyl)-phosphinic acid ethyl ester
    —— (5'S,8'S,9'S,10'S,13'S,14'S)-10',13'-dimethyltetradecahydro-11'H-dispiro[[1,3]dithiolane-2,3'-cyclopenta[a]phenanthrene-17',2''-[1,3]dithiolan]-11'-one 40551-58-4 C23H34OS4
    (5'S,8'S,9'S,10'S,13'S,14'S)-10',13'-dimethyltetradecahydro-11'H-dispiro[[1,3]dithiolane-2,3'-cyclopenta[a]phenanthrene-17',2''-[1,3]dithiolan]-11'-one
    —— 5-(4-methoxyphenyl)-2,4-diphenyloxazole 25220-25-1 C22H17NO2
    5-(4-methoxyphenyl)-2,4-diphenyloxazole
    —— 5,5-dibromo-1,3-diphenylbarbituric acid 35404-83-2 C16H10Br2N2O3
    5,5-dibromo-1,3-diphenylbarbituric acid
    —— 5-hydroxy-4-methyl-6-stearoyl-coumarin 855754-34-6 C28H42O4
    5-hydroxy-4-methyl-6-stearoyl-coumarin
    —— (5R,6S,7R,8S,9S,10R,11S)-(E)-methyl-6,12-di-(tert-butyldimethylsilyloxy)-8,10-O-[bis-(1-methylethyl)silylene]-5,7,9,11-tetramethyl-4-ethyl-3-dodecenoate 339533-69-6 C37H76O6Si3
    (5R,6S,7R,8S,9S,10R,11S)-(E)-methyl-6,12-di-(tert-butyldimethylsilyloxy)-8,10-O-[bis-(1-methylethyl)silylene]-5,7,9,11-tetramethyl-4-ethyl-3-dodecenoate
    —— 5,6-dihydroxy-N-(4-phenoxyphenyl)-2-(pyridin-2-yl)pyrimidine-4-carboxamide 1407170-40-4 C22H16N4O4
    5,6-dihydroxy-N-(4-phenoxyphenyl)-2-(pyridin-2-yl)pyrimidine-4-carboxamide
    —— 5-(Z-2-iodobut-2-en-1-ylamino)-2-methyl-2-(3-iodoindol-2-yl)pentan-2-ol 1271726-46-5 C17H22I2N2O
    5-(Z-2-iodobut-2-en-1-ylamino)-2-methyl-2-(3-iodoindol-2-yl)pentan-2-ol
    —— 5,7-dimethoxy-2,2,3,3-tetramethyl-7,9-diphenyl-1,4,6-trioxa-5λ5-phosphaspiro[4.4]non-8-ene 107551-21-3 C23H29O5P
    5,7-dimethoxy-2,2,3,3-tetramethyl-7,9-diphenyl-1,4,6-trioxa-5λ5-phosphaspiro[4.4]non-8-ene
    —— (5-hex-3-enyloxy-pentyl)-phosphonic acid tert-butyl ester methyl ester 502494-91-9 C16H33O4P
    (5-hex-3-enyloxy-pentyl)-phosphonic acid tert-butyl ester methyl ester
    —— 5-bromo-3-(piperazin-1-yl)-7-(trifluoromethyl)quinoline 1332492-89-3 C14H13BrF3N3
    5-bromo-3-(piperazin-1-yl)-7-(trifluoromethyl)quinoline
    —— 5-tert-butyl-3-(3-nitro-phenyl)-isoxazole 108239-05-0 C13H14N2O3
    5-tert-butyl-3-(3-nitro-phenyl)-isoxazole
    —— 5-bromomethyl-1-(1,1-difluoro-ethyl)-3-fluoro-2-nitro-benzene 1123171-90-3 C9H7BrF3NO2
    5-bromomethyl-1-(1,1-difluoro-ethyl)-3-fluoro-2-nitro-benzene
    —— 5-chloro-2-methyl-3-(3-trifluoromethyl-phenyl)-3<i>H</i>-quinazolin-4-one 3478-79-3 C16H10ClF3N2O
    5-chloro-2-methyl-3-(3-trifluoromethyl-phenyl)-3<i>H</i>-quinazolin-4-one
    —— 5-(1-benzyl-5-cyclopropyl-1H-1,2,3-triazol-4-yl)-N-(4-chlorobenzyl)-1H-indazol-3-amine 1093304-80-3 C26H23ClN6
    5-(1-benzyl-5-cyclopropyl-1H-1,2,3-triazol-4-yl)-N-(4-chlorobenzyl)-1H-indazol-3-amine
    —— (5aS,8aR)-6-phenethyl-5,5a,6,7,8,8a-hexahydro-4H-1,3-dioxa-6-aza-dicyclopenta[a,f]naphthalene hydrochloride 1240513-75-0 C21H23NO2*ClH
    (5aS,8aR)-6-phenethyl-5,5a,6,7,8,8a-hexahydro-4H-1,3-dioxa-6-aza-dicyclopenta[a,f]naphthalene hydrochloride
    —— 5-[(1R,3R)-3-(5-chloro-2-methoxyphenyl)-2,2-dimethylcyclopropyl]-4-methyl-1H-imidazol-2-amine 335062-05-0 C16H20ClN3O
    5-[(1R,3R)-3-(5-chloro-2-methoxyphenyl)-2,2-dimethylcyclopropyl]-4-methyl-1H-imidazol-2-amine
    —— 5-chloro-2-(4,6-dichloro-[1,3,5]triazin-2-ylsulfanyl)-benzooxazole 18838-36-3 C10H3Cl3N4OS
    5-chloro-2-(4,6-dichloro-[1,3,5]triazin-2-ylsulfanyl)-benzooxazole
    —— 5,5-dimethyldec-1-en-7-yn-4-ol 1017603-74-5 C12H20O
    5,5-dimethyldec-1-en-7-yn-4-ol
    —— 5-Ethyl-2-isopropyl-7-(3-methyl-2-butenoyl)-3(2H)-benzofuranon 77346-75-9 C18H22O3
    5-Ethyl-2-isopropyl-7-(3-methyl-2-butenoyl)-3(2H)-benzofuranon
    —— 5-[[5-(1-methylpyrazol-4-yl)triazolo[4,5-b]pyrazin-3-yl]methyl]-1H-thieno[3,2-c]pyrazole 1313723-00-0 C14H11N9S
    5-[[5-(1-methylpyrazol-4-yl)triazolo[4,5-b]pyrazin-3-yl]methyl]-1H-thieno[3,2-c]pyrazole
    —— 5-amino-3-(2-naphthyl)-4-(4-pyrimidinyl)isoxazole 897648-21-4 C17H12N4O
    5-amino-3-(2-naphthyl)-4-(4-pyrimidinyl)isoxazole
    —— 5-[ethyl(phenyl)amino]-3-methyl-5-oxopentanoic acid 870286-18-3 C14H19NO3
    5-[ethyl(phenyl)amino]-3-methyl-5-oxopentanoic acid
    —— 5,15-dimesityl-10,20-bis(3-(prop-2-yn-1-yloxy)phenyl)porphyrin 1280739-94-7 C56H46N4O2
    5,15-dimesityl-10,20-bis(3-(prop-2-yn-1-yloxy)phenyl)porphyrin
    —— (5-acetyl-2-methoxy-phenyl)-(tetra-O-acetyl-β-D-glucopyranoside) 102761-95-5 C23H28O12
    (5-acetyl-2-methoxy-phenyl)-(tetra-O-acetyl-β-D-glucopyranoside)
    —— 5-(3,4-dimethyl-phenyl)-2-methyl-thiazole-4-carboxylic acid [2-(5-bromo-2-methoxy-phenyl)-ethyl]-cyclopropylmethyl-amide 1223582-04-4 C26H29BrN2O2S
    5-(3,4-dimethyl-phenyl)-2-methyl-thiazole-4-carboxylic acid [2-(5-bromo-2-methoxy-phenyl)-ethyl]-cyclopropylmethyl-amide
    —— 5,6-dimethyl-2-pyren-1-yl-benzooxazole 20982-15-4 C25H17NO
    5,6-dimethyl-2-pyren-1-yl-benzooxazole
    —— 5-(2,3:4,5-di-O-isopropylidene-1-O-mesyl-D-allo-pentitol-1-yl)nicotinamide 115078-61-0 C18H26N2O8S
    5-(2,3:4,5-di-O-isopropylidene-1-O-mesyl-D-allo-pentitol-1-yl)nicotinamide
    —— 5-benzyloxycarbonyloxy-4-butyl-2-(4-chlorophenyl)oxazole 886466-72-4 C21H20ClNO4
    5-benzyloxycarbonyloxy-4-butyl-2-(4-chlorophenyl)oxazole
    —— 5-amino-6-bromo-8-hydroxy-2,3-dimethyl-[1,4]naphthoquinone 100123-26-0 C12H10BrNO3
    5-amino-6-bromo-8-hydroxy-2,3-dimethyl-[1,4]naphthoquinone
    —— 5-ethylhept-1-en-4-one 96101-79-0 C9H16O
    5-ethylhept-1-en-4-one
    —— 5-benzoyl-2-carbomethoxy methylene-6-(2-methyl-allylsulfanyl)-3-oxo-1,4-thiazine 1609183-07-4 C18H17NO4S2
    5-benzoyl-2-carbomethoxy methylene-6-(2-methyl-allylsulfanyl)-3-oxo-1,4-thiazine
    —— 5-(1-cyclohexenyl)-pentanophenone N,N-dimethylhydrazone 389607-98-1 C19H28N2
    5-(1-cyclohexenyl)-pentanophenone N,N-dimethylhydrazone
    —— 5-(furo[3,2-c]pyridin-4-yloxy)-2-(imidazo[1,2-a]pyridin-5-yl)-N-methylaniline 1609577-75-4 C21H16N4O2
    5-(furo[3,2-c]pyridin-4-yloxy)-2-(imidazo[1,2-a]pyridin-5-yl)-N-methylaniline
    —— 5-[1-(t-butyldimethylsilanyloxymethyl)cyclobutylmethyl]isocytosine 1234357-67-5 C16H29N3O2Si
    5-[1-(t-butyldimethylsilanyloxymethyl)cyclobutylmethyl]isocytosine
    —— 5-(3-{[1-(hydroxymethyl)cyclobutyl]oxy}-5-[(1-methyl-1H-pyrazol-3-yl)carbamoyl]phenoxy)pyridine-2-carboxylic acid 1310807-67-0 C22H22N4O6
    5-(3-{[1-(hydroxymethyl)cyclobutyl]oxy}-5-[(1-methyl-1H-pyrazol-3-yl)carbamoyl]phenoxy)pyridine-2-carboxylic acid
    —— 5-aminopentyl 4,6-O-benzylidene-β-D-glucopyranoside 1363528-42-0 C18H27NO6
    5-aminopentyl 4,6-O-benzylidene-β-D-glucopyranoside
    —— 5-epi-ophiodilactone A 1610527-76-8 C34H30O5
    5-epi-ophiodilactone A
    —— 5,7-Di-morpholin-4-yl-[1,2,4]triazolo[1,5-a]pyrimidine-6-carbonitrile 98190-54-6 C14H17N7O2
    5,7-Di-morpholin-4-yl-[1,2,4]triazolo[1,5-a]pyrimidine-6-carbonitrile
    —— 5,6-dimethyl-3,4-dihydro-2<i>H</i>-pyran-2-ol 68208-67-3 C7H12O2
    5,6-dimethyl-3,4-dihydro-2<i>H</i>-pyran-2-ol
    —— 5-methyl-3-(2-(p-tolyl)hydrazineylidene)piperidin-2-one 948053-78-9 C13H17N3O
    5-methyl-3-(2-(p-tolyl)hydrazineylidene)piperidin-2-one
    —— 5-benzoyl-1-benzyl-2(1H)-pyrimidinone 111275-96-8 C18H14N2O2
    5-benzoyl-1-benzyl-2(1H)-pyrimidinone