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中文名称 英文名称 CAS号 化学式 结构式图片
—— 5-methyl-[1,3,4]selenadiazol-2-ylamine 34547-84-7 C3H5N3Se
5-methyl-[1,3,4]selenadiazol-2-ylamine
—— 5,5,10,10,21,21-Hexakis(prop-2-enyl)heptacyclo[12.6.1.04,19.06,18.09,17.011,16.015,20]henicosa-1(20),2,4(19),6(18),7,9(17),11(16),12,14-nonaene 879900-88-6 C39H36
5,5,10,10,21,21-Hexakis(prop-2-enyl)heptacyclo[12.6.1.04,19.06,18.09,17.011,16.015,20]henicosa-1(20),2,4(19),6(18),7,9(17),11(16),12,14-nonaene
—— 5,6-O-isopropylidene-2-O-pivaloyl-D-galactono-1,4-lactone 440339-54-8 C14H22O7
5,6-O-isopropylidene-2-O-pivaloyl-D-galactono-1,4-lactone
—— 5-methyl-2-morpholino-6-oxo-1,4,5,6-tetrahydropyridine-3-carbonitrile 851322-23-1 C11H15N3O2
5-methyl-2-morpholino-6-oxo-1,4,5,6-tetrahydropyridine-3-carbonitrile
—— 5-cyano-6-dicyanomethylene-3-methyl-2-piperidone 225217-58-3 C10H8N4O
5-cyano-6-dicyanomethylene-3-methyl-2-piperidone
—— 5-(3-amino-1-(2-bromopyridin-4-yl)-4-fluoro-1H-isoindol-1-yl)-1-ethyl-3-methylpyridin-2(1H)-one 1383847-32-2 C21H18BrFN4O
5-(3-amino-1-(2-bromopyridin-4-yl)-4-fluoro-1H-isoindol-1-yl)-1-ethyl-3-methylpyridin-2(1H)-one
—— 5-deoxy-1,2-O-isopropylidene-3-O-methyl-β-L-arabinofuranose 1131825-59-6 C9H16O4
5-deoxy-1,2-O-isopropylidene-3-O-methyl-β-L-arabinofuranose
—— 5-amino-1H-indazole-3-carboxylic acid phenylamide 599183-38-7 C14H12N4O
5-amino-1H-indazole-3-carboxylic acid phenylamide
—— 5-acetyl-17-bromo[3.3]paracyclophane 1133379-68-6 C20H21BrO
5-acetyl-17-bromo[3.3]paracyclophane
—— 5-chloro-1-(4-chloro-1-methyl-1H-pyrazol-5-yl)-1H-pyrrole-3-carboxylic acid 1202636-78-9 C9H7Cl2N3O2
5-chloro-1-(4-chloro-1-methyl-1H-pyrazol-5-yl)-1H-pyrrole-3-carboxylic acid
—— 5-(3-amino-1-(2-bromopyridin-4-yl)-4-fluoro-1H-isoindol-1-yl)-1,3-diethylpyridin-2(1H)-one 1383847-23-1 C22H20BrFN4O
5-(3-amino-1-(2-bromopyridin-4-yl)-4-fluoro-1H-isoindol-1-yl)-1,3-diethylpyridin-2(1H)-one
—— 5-Phenethyl-3-styryl-2-isoxazoline 99482-47-0 C19H19NO
5-Phenethyl-3-styryl-2-isoxazoline
—— 5-(2-methanesulfonyl-phenyl)-2-(4-trifluoromethyl-phenoxymethyl)-1H-benzoimidazole 1033624-05-3 C22H17F3N2O3S
5-(2-methanesulfonyl-phenyl)-2-(4-trifluoromethyl-phenoxymethyl)-1H-benzoimidazole
—— 5-(3,4-dimethyl-anilino)-5-deoxy-L-arabitol 906331-23-5 C13H21NO4
5-(3,4-dimethyl-anilino)-5-deoxy-L-arabitol
—— 5-amino-1-(2-fluorophenyl)-4-formyl-1H-1,2,3-triazole 252750-53-1 C9H7FN4O
5-amino-1-(2-fluorophenyl)-4-formyl-1H-1,2,3-triazole
—— 5-tert-butoxycarbonylamino-L-6-(3-fluorophenyl)-4-oxo-hexanoic acid ethyl ester 686718-74-1 C19H26FNO5
5-tert-butoxycarbonylamino-L-6-(3-fluorophenyl)-4-oxo-hexanoic acid ethyl ester
—— 5,6-O-isopropylidene-L-galactonic acid γ-lactone 69602-93-3 C9H14O6
5,6-O-isopropylidene-L-galactonic acid γ-lactone
—— (5S)-5-[(2E,4S,7E,9S)-9-hydroxy-2,4,8-trimethyl-6-methylideneundeca-2,7-dienyl]-5-(methoxymethyl)-3,3-dimethyloxolane-2,4-dione 179943-99-8 C23H36O5
(5S)-5-[(2E,4S,7E,9S)-9-hydroxy-2,4,8-trimethyl-6-methylideneundeca-2,7-dienyl]-5-(methoxymethyl)-3,3-dimethyloxolane-2,4-dione
—— 5'-formyl-4,3'-di-(2-methoxycarbonylethyl)-3,4'-bismethoxycarbonylmethyl-2,2'-methylenedipyrrole 73542-17-3 C24H30N2O9
5'-formyl-4,3'-di-(2-methoxycarbonylethyl)-3,4'-bismethoxycarbonylmethyl-2,2'-methylenedipyrrole
—— 5-carboxy-3-(2,4-dichlorobenzyl)-1-methylindole 206066-41-3 C17H13Cl2NO2
5-carboxy-3-(2,4-dichlorobenzyl)-1-methylindole
—— 5-(4-chloro-1-methyl-1H-pyrazol-5-yl)-2-[(1S)-1-(3-fluorobenzyl)-2-(methylamino)ethyl]isoindolin-1-one 1430056-70-4 C22H22ClFN4O
5-(4-chloro-1-methyl-1H-pyrazol-5-yl)-2-[(1S)-1-(3-fluorobenzyl)-2-(methylamino)ethyl]isoindolin-1-one
—— (5R)-5-[(1S,2R,3R)-4-(N,N-dibenzylamino)-1-hydroxy-2,3-isopropylidenedioxybutyl]tetrahydrofuran-2-one 496771-91-6 C25H31NO5
(5R)-5-[(1S,2R,3R)-4-(N,N-dibenzylamino)-1-hydroxy-2,3-isopropylidenedioxybutyl]tetrahydrofuran-2-one
—— 5-bromo-2,2-dimethyl-6-nitro-benzo[1,3]dioxole 342043-80-5 C9H8BrNO4
5-bromo-2,2-dimethyl-6-nitro-benzo[1,3]dioxole
—— (5S)-5-[(1R,2R,3R)-4-(N,N-dibenzylamino)-2,3-isopropylidenedioxy-1-methanesulfonyloxybutyl]tetrahydrofuran-2-one 496771-93-8 C26H33NO7S
(5S)-5-[(1R,2R,3R)-4-(N,N-dibenzylamino)-2,3-isopropylidenedioxy-1-methanesulfonyloxybutyl]tetrahydrofuran-2-one
—— 5-carboxy-3-(2,4-dichlorobenzyl)-2-methylbenzo[b]thiophene 219763-33-4 C17H12Cl2O2S
5-carboxy-3-(2,4-dichlorobenzyl)-2-methylbenzo[b]thiophene
—— 5-benzyloxy-3,4,4',5'-tetramethoxy-2,2'-divinylbiphenyl 1098755-62-4 C27H28O5
5-benzyloxy-3,4,4',5'-tetramethoxy-2,2'-divinylbiphenyl
—— 5-chloro-2,2-dimethyl-6-nitro-benzo[1,3]dioxole 61588-38-3 C9H8ClNO4
5-chloro-2,2-dimethyl-6-nitro-benzo[1,3]dioxole
—— 5-carboxy-1-(2,4-dichlorobenzyl)indole 206066-35-5 C16H11Cl2NO2
5-carboxy-1-(2,4-dichlorobenzyl)indole
—— 5-acetyl-2-(4-fluoro-phenyl)-5-methyl-oxazol-4-one 18354-42-2 C12H10FNO3
5-acetyl-2-(4-fluoro-phenyl)-5-methyl-oxazol-4-one
—— 5-carboxy-3-(2,4-dichlorobenzyl)indole 206066-33-3 C16H11Cl2NO2
5-carboxy-3-(2,4-dichlorobenzyl)indole
—— 5-(4-Tert-butylphenyl)-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepine 1126428-30-5 C18H22N2O
5-(4-Tert-butylphenyl)-2,3,4,5-tetrahydropyrido[3,2-f][1,4]oxazepine
—— 5-(2,3,4-trichlorophenyl)-1H-tetrazole 899431-50-6 C7H3Cl3N4
5-(2,3,4-trichlorophenyl)-1H-tetrazole
—— 5-amino-quinoline semicarbazide 1273550-63-2 C10H10N4O
5-amino-quinoline semicarbazide
—— 5-hydroxy-1-thiacyclooctane 69697-16-1 C7H14OS
5-hydroxy-1-thiacyclooctane
—— 5-Azido-6-(tert-butyldimethylsilyl)-2,3-O-isopropylidene L-Gulono-1,4-lactone 126354-68-5 C15H27N3O5Si
5-Azido-6-(tert-butyldimethylsilyl)-2,3-O-isopropylidene L-Gulono-1,4-lactone
—— (5Z)-5-[2-[tert-butyl(dimethyl)silyl]oxyethylidene]-3-[(E)-3-[tert-butyl(dimethyl)silyl]oxyprop-1-enyl]furan-2-one 209457-88-5 C21H38O4Si2
(5Z)-5-[2-[tert-butyl(dimethyl)silyl]oxyethylidene]-3-[(E)-3-[tert-butyl(dimethyl)silyl]oxyprop-1-enyl]furan-2-one
—— 5,6-anhydro-2,3-dideoxy-L-threo-hex-2-enono-1,4-lactone 111975-48-5 C6H6O3
5,6-anhydro-2,3-dideoxy-L-threo-hex-2-enono-1,4-lactone
—— (5Z)-5-[2-[tert-butyl(dimethyl)silyl]oxyethylidene]-3-[(1E,3E)-5-[tert-butyl(dimethyl)silyl]oxypenta-1,3-dienyl]furan-2-one 209457-89-6 C23H40O4Si2
(5Z)-5-[2-[tert-butyl(dimethyl)silyl]oxyethylidene]-3-[(1E,3E)-5-[tert-butyl(dimethyl)silyl]oxypenta-1,3-dienyl]furan-2-one
—— (5E)-PGB<sub>2</sub> 13367-85-6 C20H30O4
(5E)-PGB<sub>2</sub>
—— 5-(2-imidazolidinylimino)indan 214697-88-8 C12H15N3
5-(2-imidazolidinylimino)indan
—— 5,6-anhydro-2,3-dideoxy-L-threo-hexono-1,4-lactone 129151-33-3 C6H8O3
5,6-anhydro-2,3-dideoxy-L-threo-hexono-1,4-lactone
—— 5,5-dimethyl-2-oxo-2λ<sup>5</sup>-[1,3,2]dioxaphosphinane-2-selenol 52912-92-2 C5H11O3PSe
5,5-dimethyl-2-oxo-2λ<sup>5</sup>-[1,3,2]dioxaphosphinane-2-selenol
—— 5-bromo-6-chloro-2,2-dimethyl-benzo[1,3]dioxole 860603-95-8 C9H8BrClO2
5-bromo-6-chloro-2,2-dimethyl-benzo[1,3]dioxole
—— 5,5-dimethyl-2-trimethylsilyloxy-1,3,2-dioxaphosphorinane 110907-85-2 C8H19O3PSi
5,5-dimethyl-2-trimethylsilyloxy-1,3,2-dioxaphosphorinane
—— [(5Z)-5-[2-[tert-butyl(dimethyl)silyl]oxyethylidene]-2-oxofuran-3-yl] trifluoromethanesulfonate 209457-71-6 C13H19F3O6SSi
[(5Z)-5-[2-[tert-butyl(dimethyl)silyl]oxyethylidene]-2-oxofuran-3-yl] trifluoromethanesulfonate
—— 5,6-O-(3-pentylidene)-L-gulono-1,4-lactone 143157-30-6 C11H18O6
5,6-O-(3-pentylidene)-L-gulono-1,4-lactone
—— 5-O-benzyl-1,4-dideoxy-3-O-(methoxymethyl)-1-phenyl-D-threo-pentitol 264872-36-8 C20H26O4
5-O-benzyl-1,4-dideoxy-3-O-(methoxymethyl)-1-phenyl-D-threo-pentitol
—— 5,6-diiodo-2,2-dimethylbenzo[1,3]dixole 875325-88-5 C9H8I2O2
5,6-diiodo-2,2-dimethylbenzo[1,3]dixole
—— 5-iodo-2,2-dimethylbenzo[d][1,3]dioxole 861081-07-4 C9H9IO2
5-iodo-2,2-dimethylbenzo[d][1,3]dioxole
—— (5R,15R)-6,14-dibenzyl-5,15-diethyl-3,17-dioxa-6,14,23,24-tetraazatricyclo[17.3.1.1(8,12)]tetracosa-1(23),8,10,12(24)19,21-hexaene 1329682-33-8 C36H44N4O2
(5R,15R)-6,14-dibenzyl-5,15-diethyl-3,17-dioxa-6,14,23,24-tetraazatricyclo[17.3.1.1(8,12)]tetracosa-1(23),8,10,12(24)19,21-hexaene