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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 5-hydroxy-3-methyl-1-phenethyl-1H-pyrrol-2(5H)-one 929206-55-3 C13H15NO2
    5-hydroxy-3-methyl-1-phenethyl-1H-pyrrol-2(5H)-one
    —— (5S)-nonadec-1-en-5-ol 1046769-69-0 C19H38O
    (5S)-nonadec-1-en-5-ol
    —— (5E)-5-[(E)-4-(furan-2-yl)-2-oxobut-3-enylidene]-3-methylfuran-2(5H)-one 923025-70-1 C13H10O4
    (5E)-5-[(E)-4-(furan-2-yl)-2-oxobut-3-enylidene]-3-methylfuran-2(5H)-one
    —— 5-[[[[(4,6-Dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-N,N,1-trimethyl-1H-pyrazole-4-carboxamide 133562-42-2 C14H19N7O6S
    5-[[[[(4,6-Dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-N,N,1-trimethyl-1H-pyrazole-4-carboxamide
    —— (5E)-5-[(E)-4-(tert-butyldimethylsilyloxyphenyl)-2-oxobut-3-enylidene]-3-methylfuran-2(5H)-one 923025-73-4 C21H26O4Si
    (5E)-5-[(E)-4-(tert-butyldimethylsilyloxyphenyl)-2-oxobut-3-enylidene]-3-methylfuran-2(5H)-one
    —— 5-Desoxy-6-S-phenyl-6-thiofructose 137396-19-1 C12H16O4S
    5-Desoxy-6-S-phenyl-6-thiofructose
    —— (5E)-5-[(E)-4-(4-chlorophenyl)-2-oxobut-3-enylidene]-3-methylfuran-2(5H)-one 923025-69-8 C15H11ClO3
    (5E)-5-[(E)-4-(4-chlorophenyl)-2-oxobut-3-enylidene]-3-methylfuran-2(5H)-one
    —— 5-Nitro-2-(4-nitrophenyl)-1-benzofuran 84102-50-1 C14H8N2O5
    5-Nitro-2-(4-nitrophenyl)-1-benzofuran
    —— (+/-)-5-hydroxy-1-(4-(tetrahydro-2H-pyran-2-yloxy)phenyl)icosan-3-one 1265304-10-6 C31H52O4
    (+/-)-5-hydroxy-1-(4-(tetrahydro-2H-pyran-2-yloxy)phenyl)icosan-3-one
    —— (5E)-3-methyl-5-[(E)-2-oxo-4-(thiophen-2-yl)but-3-enylidene]-furan-2(5H)-one 923025-71-2 C13H10O3S
    (5E)-3-methyl-5-[(E)-2-oxo-4-(thiophen-2-yl)but-3-enylidene]-furan-2(5H)-one
    —— 5,7-dimethyl-8-methoxy-1,2,3,4,4a,9a-hexahydro-9-fluorenone 115807-92-6 C16H20O2
    5,7-dimethyl-8-methoxy-1,2,3,4,4a,9a-hexahydro-9-fluorenone
    —— 5-(3-Chloro-thiophen-2-yl)-3-(4-methyl-phenyl)-1H-[1,2,4]-triazole 478489-35-9 C13H10ClN3S
    5-(3-Chloro-thiophen-2-yl)-3-(4-methyl-phenyl)-1H-[1,2,4]-triazole
    —— 5-(4-Methoxy-phenyl)-2-p-tolyl-pyrimidine 74324-14-4 C18H16N2O
    5-(4-Methoxy-phenyl)-2-p-tolyl-pyrimidine
    —— 5-(3,4-dimethoxyphenyl)-3-(4-ethoxyphenyl)-7-(4-methoxyphenyl)-2-sulfanylidene-1H-pyrido[2,3-d]pyrimidin-4-one 179930-48-4 C30H27N3O5S
    5-(3,4-dimethoxyphenyl)-3-(4-ethoxyphenyl)-7-(4-methoxyphenyl)-2-sulfanylidene-1H-pyrido[2,3-d]pyrimidin-4-one
    —— (5E)-3-methyl-5-(2-oxo-2-phenylethylidene)furan-2(5H)-one 923025-72-3 C13H10O3
    (5E)-3-methyl-5-(2-oxo-2-phenylethylidene)furan-2(5H)-one
    —— 5-phenyl-4,6-bis(methoxycarbonyl)-1,3-dithiane 1,1,3,3-tetroxide 80934-80-1 C14H16O8S2
    5-phenyl-4,6-bis(methoxycarbonyl)-1,3-dithiane 1,1,3,3-tetroxide
    —— (5S,1'S)-5-(1'-(dibenzylamino)ethyl)dihydrofuran-2(3H)-one 133148-53-5 C20H23NO2
    (5S,1'S)-5-(1'-(dibenzylamino)ethyl)dihydrofuran-2(3H)-one
    —— 5-(4-chlorophenyl)-4-ethynyl-2-(4-methylphenyl)pyrimidine 1638156-50-9 C19H13ClN2
    5-(4-chlorophenyl)-4-ethynyl-2-(4-methylphenyl)pyrimidine
    —— 5-(4-nitrophenyl)-dihydro-2(3H)-furanone 10348-08-0 C10H9NO4
    5-(4-nitrophenyl)-dihydro-2(3H)-furanone
    —— 5,7-dimethyl-2-methylthio-1-azacycl<3.2.2>azine 117290-94-5 C12H12N2S
    5,7-dimethyl-2-methylthio-1-azacycl<3.2.2>azine
    —— (5R,6S,12S)-N,6-dimethylisopavine 388081-37-6 C18H19N
    (5R,6S,12S)-N,6-dimethylisopavine
    —— 5-(6-hydrazino-2-methylpyrimidin-4-yl)-2-methyl benzenesulphonamide 1055923-54-0 C12H15N5O2S
    5-(6-hydrazino-2-methylpyrimidin-4-yl)-2-methyl benzenesulphonamide
    —— (+/-)-5-(2-methyl-2,3-dihydro-7-benzofuryl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 386714-04-1 C18H20N4O2
    (+/-)-5-(2-methyl-2,3-dihydro-7-benzofuryl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
    —— 5-bromo-2-(p-tolyl)benzo[d]oxazole 945531-29-3 C14H10BrNO
    5-bromo-2-(p-tolyl)benzo[d]oxazole
    —— 5,5-dimethyl-3-(2-propenyl)-2-cyclopentenone 107344-27-4 C10H14O
    5,5-dimethyl-3-(2-propenyl)-2-cyclopentenone
    —— 5-nitro-4-p-nitrophenylimidazole 116922-21-5 C9H6N4O4
    5-nitro-4-p-nitrophenylimidazole
    —— (5S,7R,8S,9S)-8,9-dimethylmethylenedioxy-7-tert-butyldiphenylsilyloxymethyl-3,6-dioxa-1-methoxycarbonyl-2-thia-1-aza-spiro[4.4]nonane-2,2-dioxide 1192412-22-8 C27H35NO9SSi
    (5S,7R,8S,9S)-8,9-dimethylmethylenedioxy-7-tert-butyldiphenylsilyloxymethyl-3,6-dioxa-1-methoxycarbonyl-2-thia-1-aza-spiro[4.4]nonane-2,2-dioxide
    —— 5-(4-nitrophenyl)-3-phenyl-4,5-dihydroisoxazole 14659-65-5 C15H12N2O3
    5-(4-nitrophenyl)-3-phenyl-4,5-dihydroisoxazole
    —— 5-hydroxy-4,5-dimethyl-2,5-dihydrofuran-2-one 14300-89-1 C6H8O3
    5-hydroxy-4,5-dimethyl-2,5-dihydrofuran-2-one
    —— 5-(cyclopent-2-enyl)-2,4-toluenediamine 111962-98-2 C12H16N2
    5-(cyclopent-2-enyl)-2,4-toluenediamine
    —— 5-amino-2-methyl-2,3-dihydrobenzofuran-7-carboxamide 1616110-65-6 C10H12N2O2
    5-amino-2-methyl-2,3-dihydrobenzofuran-7-carboxamide
    —— 5-(4-(methoxymethyloxy)benzo(b)furan-2-yl)-2,3-dihydro-1,3,4-oxadiazol-2-one 310391-79-8 C12H10N2O5
    5-(4-(methoxymethyloxy)benzo(b)furan-2-yl)-2,3-dihydro-1,3,4-oxadiazol-2-one
    —— 5-(1-hydroxy-ethyl)-tetrahydro-furan-3-ol 857904-12-2 C6H12O3
    5-(1-hydroxy-ethyl)-tetrahydro-furan-3-ol
    —— (+/-)-5-(5-chlorosulfonyl-2-methyl-2,3-dihydro-7-benzofuryl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 386714-07-4 C18H19ClN4O4S
    (+/-)-5-(5-chlorosulfonyl-2-methyl-2,3-dihydro-7-benzofuryl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
    —— (5S,7R,8R,9S,10R)-8,9,10-tribenzyloxy-7-benzyloxymethyl-1-methoxycarbonyl-3,6-dioxa-2-thia-1-aza-spiro[4.5]decane-2,2-dioxide 1192412-19-3 C37H39NO10S
    (5S,7R,8R,9S,10R)-8,9,10-tribenzyloxy-7-benzyloxymethyl-1-methoxycarbonyl-3,6-dioxa-2-thia-1-aza-spiro[4.5]decane-2,2-dioxide
    —— 5-Chloro-3-[(4-chlorophenyl)sulfonyl]thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidine 1174392-57-4 C13H6Cl2N4O2S2
    5-Chloro-3-[(4-chlorophenyl)sulfonyl]thieno[2,3-e][1,2,3]triazolo[1,5-a]pyrimidine
    —— (5E)-3-methyl-5-[(E)-2-oxo-4-phenylbut-3-enylidene]furan-2(5H)-one 923025-66-5 C15H12O3
    (5E)-3-methyl-5-[(E)-2-oxo-4-phenylbut-3-enylidene]furan-2(5H)-one
    —— 5-t-butyl-3H-v-triazolo<4,5-d>pyrimidine 70227-52-0 C8H11N5
    5-t-butyl-3H-v-triazolo<4,5-d>pyrimidine
    —— 5-Bromo-2-chloro-6-(2-chloro-phenyl)-nicotinonitrile 1160912-87-7 C12H5BrCl2N2
    5-Bromo-2-chloro-6-(2-chloro-phenyl)-nicotinonitrile
    —— 5-O-carbamoylpolyoxamic acid 105281-29-6 C6H12N2O6
    5-O-carbamoylpolyoxamic acid
    —— 5-Ethenylbicyclo[2.2.1]heptane-2-carbaldehyde 84397-95-5 C10H14O
    5-Ethenylbicyclo[2.2.1]heptane-2-carbaldehyde
    —— 5-benzyl-2-chloropyrimidine 859209-15-7 C11H9ClN2
    5-benzyl-2-chloropyrimidine
    —— 5-Methyl-4-nonanoyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one 96551-16-5 C19H26N2O2
    5-Methyl-4-nonanoyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one
    —— 5-Bromo-2,4-difluoro-3-methylbenzenediazonium tetrafluoroborate 112822-81-8 BF4*C7H4BrF2N2
    5-Bromo-2,4-difluoro-3-methylbenzenediazonium tetrafluoroborate
    —— 5-O-ethyl 3-O-methyl (4R,5R)-2,2-dioxo-4-phenyloxathiazolidine-3,5-dicarboxylate 1215294-78-2 C13H15NO7S
    5-O-ethyl 3-O-methyl (4R,5R)-2,2-dioxo-4-phenyloxathiazolidine-3,5-dicarboxylate
    —— 5-[(4-chloro-benzenesulfonyl)-methyl]-1<i>H</i>-tetrazole 18527-41-8 C8H7ClN4O2S
    5-[(4-chloro-benzenesulfonyl)-methyl]-1<i>H</i>-tetrazole
    —— 5-Methyl-7-thia-2-azatricyclo[6.3.1.04,12]dodeca-1(12),3,8,10-tetraene-6-carbonitrile 113461-75-9 C12H10N2S
    5-Methyl-7-thia-2-azatricyclo[6.3.1.04,12]dodeca-1(12),3,8,10-tetraene-6-carbonitrile
    —— 5-butyl-thiazole-2-carboxylic acid 115553-89-4 C8H11NO2S
    5-butyl-thiazole-2-carboxylic acid
    —— [5-[(4-acetyl-3-hydroxy-2-propylbenzyl)thio]-1,3,4-thiadiazol-2-yl]oxamidic acid 107859-70-1 C16H17N3O5S2
    [5-[(4-acetyl-3-hydroxy-2-propylbenzyl)thio]-1,3,4-thiadiazol-2-yl]oxamidic acid
    —— 5-amino-5-t-butyl-2H-v-triazolo<4,5-d>pyrimidine 70227-53-1 C8H12N6
    5-amino-5-t-butyl-2H-v-triazolo<4,5-d>pyrimidine