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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-Morpholino-2,4-pentadiinal 88357-34-0 C9H9NO2
    5-Morpholino-2,4-pentadiinal
    —— 5-Undecenal, (5E)- 99522-20-0 C11H20O
    5-Undecenal, (5E)-
    —— 5,5'-ethane-1,1-diyl-bis-furan-2-carboxylic acid 91570-60-4 C12H10O6
    5,5'-ethane-1,1-diyl-bis-furan-2-carboxylic acid
    —— 5-methyl-4-(2-thiazolylazo)resorcinoxy ethyl vinyl ether 1219448-30-2 C18H21N3O4S
    5-methyl-4-(2-thiazolylazo)resorcinoxy ethyl vinyl ether
    —— 5-amino-1-methyl-3-phenyl-1H-pyrazole-4-carbothialdehyde 136506-66-6 C11H11N3S
    5-amino-1-methyl-3-phenyl-1H-pyrazole-4-carbothialdehyde
    —— 5-benzyl-2-isopropyl-3-(methoxycarbonyl)-5-(5,5-pentamethylene-1,3,4-pentatrien-2-yl)-4,5-dihydrofuran 1225232-90-5 C26H32O3
    5-benzyl-2-isopropyl-3-(methoxycarbonyl)-5-(5,5-pentamethylene-1,3,4-pentatrien-2-yl)-4,5-dihydrofuran
    —— 5-((3-methylbut-3-en-1-yl)oxy)bicyclo[4.2.0]octa-1,3,5-trien-7-ol 1612240-31-9 C13H16O2
    5-((3-methylbut-3-en-1-yl)oxy)bicyclo[4.2.0]octa-1,3,5-trien-7-ol
    —— 5-[1-(4-Methoxy-phenyl)-meth-(Z)-ylidene]-2-methyl-4-oxo-4,5-dihydro-furan-3-carboxylic acid ethyl ester 71204-28-9 C16H16O5
    5-[1-(4-Methoxy-phenyl)-meth-(Z)-ylidene]-2-methyl-4-oxo-4,5-dihydro-furan-3-carboxylic acid ethyl ester
    —— 5-allyl-1-benzyl-4-methoxy-1H-pyrrol-2(5H)-one 524005-23-0 C15H17NO2
    5-allyl-1-benzyl-4-methoxy-1H-pyrrol-2(5H)-one
    —— 5-(4-Chloro-1,1,2,2,3,3,4,4-octafluorobutane-1-sulfonyl)-4-(4-methoxyphenyl)-2-(2-methylpropoxy)-6-phenyl-3,4-dihydro-2H-pyran 905560-37-4 C26H25ClF8O5S
    5-(4-Chloro-1,1,2,2,3,3,4,4-octafluorobutane-1-sulfonyl)-4-(4-methoxyphenyl)-2-(2-methylpropoxy)-6-phenyl-3,4-dihydro-2H-pyran
    —— 5-benzyl-2-trifluoroacetyl-1-vinyl-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine 501371-16-0 C18H17F3N2O
    5-benzyl-2-trifluoroacetyl-1-vinyl-4,5,6,7-tetrahydro-1H-pyrrolo[3,2-c]pyridine
    —— 5-(diethylaminocarbonyl)-2,2-dimethyl-4H-1,3-dioxin 330435-65-9 C11H19NO3
    5-(diethylaminocarbonyl)-2,2-dimethyl-4H-1,3-dioxin
    —— 5-(2-Methylpropoxy)-2-phenylisoindole-1,3-dione 1351397-54-0 C18H17NO3
    5-(2-Methylpropoxy)-2-phenylisoindole-1,3-dione
    —— 5-[(3,4,5-trimethoxyphenyl)methylmethylene]-2-thioxo-4-thiazolidinone 73855-62-6 C14H15NO4S2
    5-[(3,4,5-trimethoxyphenyl)methylmethylene]-2-thioxo-4-thiazolidinone
    —— 5,6-dimethoxy-8-[4-amino-1-methylbutylamino]quinoline 47136-26-5 C16H23N3O2
    5,6-dimethoxy-8-[4-amino-1-methylbutylamino]quinoline
    —— 5,5-Dimethylhept-6-ene-2,4-diol 187873-99-0 C9H18O2
    5,5-Dimethylhept-6-ene-2,4-diol
    —— (5S,6R,1'Z)-5-<(1-ethoxyethoxy)methyl>-6-(3'-methyl-1'-butenyl)-2-cyclohexen-1-one 70552-73-7 C16H26O3
    (5S,6R,1'Z)-5-<(1-ethoxyethoxy)methyl>-6-(3'-methyl-1'-butenyl)-2-cyclohexen-1-one
    —— 5,6-methylenedioxy-5',6'-methylenedioxy-2-hydroxy-2'-pivaloyloxy-1,1'-biphenyl 863919-06-6 C19H18O7
    5,6-methylenedioxy-5',6'-methylenedioxy-2-hydroxy-2'-pivaloyloxy-1,1'-biphenyl
    —— 5-Bromo-1-[methyl(diphenyl)silyl]hexan-1-one 144668-07-5 C19H23BrOSi
    5-Bromo-1-[methyl(diphenyl)silyl]hexan-1-one
    —— 5-hydroxy-6-demethylprimaquine 87321-06-0 C14H19N3O2
    5-hydroxy-6-demethylprimaquine
    —— (5S,6S,1'E,3'R,4'R,6'R,7'R)-6-[4',6'-bis(tert-butyl(dimethyl)silyloxy)-3'-hydroxy-7',8'-(isopropylidenedioxy)-3'-methyl-1'-octenyl]-2-ethoxy-5-(4''-methoxybenzyloxy)-5,6-dihydro-2H-pyran 915700-38-8 C39H68O9Si2
    (5S,6S,1'E,3'R,4'R,6'R,7'R)-6-[4',6'-bis(tert-butyl(dimethyl)silyloxy)-3'-hydroxy-7',8'-(isopropylidenedioxy)-3'-methyl-1'-octenyl]-2-ethoxy-5-(4''-methoxybenzyloxy)-5,6-dihydro-2H-pyran
    —— (5S,6R)-2-ethoxy-6-formyl-5-(4'-methoxybenzyloxy)-5,6-dihydro-2H-pyran 915700-32-2 C16H20O5
    (5S,6R)-2-ethoxy-6-formyl-5-(4'-methoxybenzyloxy)-5,6-dihydro-2H-pyran
    —— (5R,6S)-6-methyl-3-phenyl-2,4-dioxa-3lambda5-phosphatricyclo[7.3.1.05,13]trideca-1(12),9(13),10-triene 3-oxide 479495-50-6 C17H17O3P
    (5R,6S)-6-methyl-3-phenyl-2,4-dioxa-3lambda5-phosphatricyclo[7.3.1.05,13]trideca-1(12),9(13),10-triene 3-oxide
    —— (5S,6S)-2-ethoxy-6-(hydroxymethyl)-5-(4'-methoxybenzyloxy)-5,6-dihydro-2H-pyran 915700-35-5 C16H22O5
    (5S,6S)-2-ethoxy-6-(hydroxymethyl)-5-(4'-methoxybenzyloxy)-5,6-dihydro-2H-pyran
    —— (5R)-N-methoxy-N-methyl-8-phenylmethoxy-5-triethylsilyloxyoctanamide 1435478-29-7 C23H41NO4Si
    (5R)-N-methoxy-N-methyl-8-phenylmethoxy-5-triethylsilyloxyoctanamide
    —— (5R,6R)-6-[tert-butyl(dimethyl)silyl]oxy-2-methyl-5-prop-1-en-2-ylcyclohex-2-en-1-one 423764-38-9 C16H28O2Si
    (5R,6R)-6-[tert-butyl(dimethyl)silyl]oxy-2-methyl-5-prop-1-en-2-ylcyclohex-2-en-1-one
    —— 5,7,12,14-tetrakis(2-(triethylsilyl)ethyl)pentacene-6,13-dione 1236355-73-9 C54H84O2Si4
    5,7,12,14-tetrakis(2-(triethylsilyl)ethyl)pentacene-6,13-dione
    —— 5-bromo-6-butyl-1,5-decadiene 1312776-11-6 C14H25Br
    5-bromo-6-butyl-1,5-decadiene
    —— 5-Ethylnona-7,8-dien-4-one 134511-02-7 C11H18O
    5-Ethylnona-7,8-dien-4-one
    —— 5-Phenyl-3-(4-phenylpyridin-2-yl)-1,2,4-triazine 42838-34-6 C20H14N4
    5-Phenyl-3-(4-phenylpyridin-2-yl)-1,2,4-triazine
    —— 5-phenyl-8-oxabicyclo<3.2.1>octan-1-ol 106165-82-6 C13H16O2
    5-phenyl-8-oxabicyclo<3.2.1>octan-1-ol
    —— 5,6-methylenedioxy-5',6'-methylenedioxy-2-pivaloyloxy-2'-vinyloxy-1,1'-biphenyl 863918-98-3 C21H20O7
    5,6-methylenedioxy-5',6'-methylenedioxy-2-pivaloyloxy-2'-vinyloxy-1,1'-biphenyl
    —— 5,7,12,14-tetrakis(2-(triethylsilyl)ethyl)pentacene 1236355-74-0 C54H86Si4
    5,7,12,14-tetrakis(2-(triethylsilyl)ethyl)pentacene
    —— 5,14-dimethoxypentacene-6,13-dione 946861-75-2 C24H16O4
    5,14-dimethoxypentacene-6,13-dione
    —— (5R,6R)-10-undecene-5,6-diol 445255-02-7 C11H22O2
    (5R,6R)-10-undecene-5,6-diol
    —— 5-bromo-1H-1,2,3-triazole-4-N-ethoxycarbonylmethylcarboxamide 115057-49-3 C7H9BrN4O3
    5-bromo-1H-1,2,3-triazole-4-N-ethoxycarbonylmethylcarboxamide
    —— 5-methyl-3-oxo-N-phenylhexanamide 96649-98-8 C13H17NO2
    5-methyl-3-oxo-N-phenylhexanamide
    —— 5-methyl-2-phenylpiperidin-4-one 134894-97-6 C12H15NO
    5-methyl-2-phenylpiperidin-4-one
    —— 5-(4-iodophenyl)-3H-1,2-dithiole-3-thione 114401-75-1 C9H5IS3
    5-(4-iodophenyl)-3H-1,2-dithiole-3-thione
    —— 5H-Indeno(1,2-c)pyridazine, 7-fluoro-, monohydrochloride 81198-21-2 C11H8ClFN2
    5H-Indeno(1,2-c)pyridazine, 7-fluoro-, monohydrochloride
    —— 5-((5-(Benzoylamino)-2-((2-((4-ethoxy-3-sulphophenyl)hydrazono)-1-methylnonadecylidene)hydrazino)phenyl)sulphonyl)salicylic acid 94166-47-9 C48H63N5O10S2
    5-((5-(Benzoylamino)-2-((2-((4-ethoxy-3-sulphophenyl)hydrazono)-1-methylnonadecylidene)hydrazino)phenyl)sulphonyl)salicylic acid
    —— 5-(4-chloro-phenoxy)-3-(3-trifluoromethyl-phenyl)-[1,2,4]triazine-6-carboxylic acid ethyl ester 338957-79-2 C19H13ClF3N3O3
    5-(4-chloro-phenoxy)-3-(3-trifluoromethyl-phenyl)-[1,2,4]triazine-6-carboxylic acid ethyl ester
    —— 5-methyl-4-phenyl-6,7-dihydrothieno<3,2-c>pyridium iodide 76356-26-8 C14H14NS*I
    5-methyl-4-phenyl-6,7-dihydrothieno<3,2-c>pyridium iodide
    —— (5-fluoro-2-(phenylethynyl)phenyl)(furan-2-yl)methanone 1360811-41-1 C19H11FO2
    (5-fluoro-2-(phenylethynyl)phenyl)(furan-2-yl)methanone
    —— 5-pyrrolidin-1-yl-1<i>H</i>-[1,2,3]triazolo[4,5-<i>d</i>]pyrimidin-7-ylamine 92335-64-3 C8H11N7
    5-pyrrolidin-1-yl-1<i>H</i>-[1,2,3]triazolo[4,5-<i>d</i>]pyrimidin-7-ylamine
    —— 5,7-dimethoxyquinolin-4-yl 4-iodobenzoate 1186387-89-2 C18H14INO4
    5,7-dimethoxyquinolin-4-yl 4-iodobenzoate
    —— 5-[furan-2-yl(hydroxy)methyl]cyclopent-2-en-1-one 1064705-61-8 C10H10O3
    5-[furan-2-yl(hydroxy)methyl]cyclopent-2-en-1-one
    —— 5-iodo-1H-1,2,3-triazole-4-N-methylcarboxamide 94565-12-5 C4H5IN4O
    5-iodo-1H-1,2,3-triazole-4-N-methylcarboxamide
    —— 5-(2-hydroxyethyl)-N-(3-methylisothiazol-5-yl)-3-(quinolin-6-ylmethyl)-3H-1,2,3-triazole-4-carboxamide 1197377-03-9 C19H18N6O2S
    5-(2-hydroxyethyl)-N-(3-methylisothiazol-5-yl)-3-(quinolin-6-ylmethyl)-3H-1,2,3-triazole-4-carboxamide
    —— 5-amino-1-(6-hydrazino-pyridazin-3-yl)-3-methyl-1<i>H</i>-pyrazole-4-carbonitrile 69720-60-1 C9H10N8
    5-amino-1-(6-hydrazino-pyridazin-3-yl)-3-methyl-1<i>H</i>-pyrazole-4-carbonitrile