| 1 | 579-23-7 | 环香草酮 | cyclovalone | C22H22O5
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| 2 | 36159-03-2 | 茚酮二聚体 | Donepezil Impurity | C22H22O5
| 药品杂质 | 药品杂质 |
| 3 | 66516-95-8 | 2'-O-Methylisoleiocin | 2'-O-Methylisoleiocin | C22H22O5
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| 4 | 824951-60-2 | Di-O-methyldemethoxycurcumin | Di-O-methyldemethoxycurcumin | C22H22O5
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| 5 | | 2,6-DIVANILLYLIDENECYCLOHEXANONE | 2,6-DIVANILLYLIDENECYCLOHEXANONE | C22H22O5
| | |
| 6 | 449739-77-9 | pentyl [(2-oxo-4-phenyl-2H-chromen-7-yl)oxy]acetate | pentyl [(2-oxo-4-phenyl-2H-chromen-7-yl)oxy]acetate | C22H22O5
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| 7 | 670242-96-3 | (4-butyl-8-methyl-2-oxochromen-7-yl) 4-methoxybenzoate | (4-butyl-8-methyl-2-oxochromen-7-yl) 4-methoxybenzoate | C22H22O5
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| 8 | 670245-84-8 | 4-butyl-7-[2-(3-methoxyphenyl)-2-oxoethoxy]chromen-2-one | 4-butyl-7-[2-(3-methoxyphenyl)-2-oxoethoxy]chromen-2-one | C22H22O5
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| 9 | 6327-84-0 | diethyl 2-benzoyl-3-phenyl-cyclopropane-1,1-dicarboxylate | diethyl 2-benzoyl-3-phenyl-cyclopropane-1,1-dicarboxylate | C22H22O5
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| 10 | | butyl [(7-methyl-2-oxo-4-phenyl-2H-chromen-5-yl)oxy]acetate | butyl [(7-methyl-2-oxo-4-phenyl-2H-chromen-5-yl)oxy]acetate | C22H22O5
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| 11 | | ethyl 5-(benzyloxy)-4-oxo-8-propyl-4H-chromene-2-carboxylate | ethyl 5-(benzyloxy)-4-oxo-8-propyl-4H-chromene-2-carboxylate | C22H22O5
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| 12 | 500204-37-5 | ethyl 2-phenyl-2-(3,4,8-trimethyl-2-oxochromen-7-yl)oxyacetate | ethyl 2-phenyl-2-(3,4,8-trimethyl-2-oxochromen-7-yl)oxyacetate | C22H22O5
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| 13 | 307552-18-7 | 2-methoxyethyl 5-(cinnamyloxy)-2-methylbenzofuran-3-carboxylate | 2-methoxyethyl 5-(cinnamyloxy)-2-methylbenzofuran-3-carboxylate | C22H22O5
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| 14 | 314743-42-5 | tert-butyl [(7-methyl-2-oxo-4-phenyl-2H-chromen-5-yl)oxy]acetate | tert-butyl [(7-methyl-2-oxo-4-phenyl-2H-chromen-5-yl)oxy]acetate | C22H22O5
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| 15 | 374767-47-2 | 7-[2-(4-methoxyphenyl)-2-oxoethoxy]-8-methyl-4-propylchromen-2-one | 7-[2-(4-methoxyphenyl)-2-oxoethoxy]-8-methyl-4-propylchromen-2-one | C22H22O5
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| 16 | 670243-96-6 | 3-ethyl-7-[2-(4-methoxyphenyl)-2-oxoethoxy]-4,8-dimethylchromen-2-one | 3-ethyl-7-[2-(4-methoxyphenyl)-2-oxoethoxy]-4,8-dimethylchromen-2-one | C22H22O5
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| 17 | 18838-58-9 | 2-Propenoic acid, 2-methyl-, oxybis(4,1-phenylenemethylene) ester (9CI) | 2-Propenoic acid, 2-methyl-, oxybis(4,1-phenylenemethylene) ester (9CI) | C22H22O5
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| 18 | 461448-71-5 | 3-[(2-ethoxy-1-naphthyl)methylene]-1,5-dioxaspiro[5.5]undecane-2,4-dione | 3-[(2-ethoxy-1-naphthyl)methylene]-1,5-dioxaspiro[5.5]undecane-2,4-dione | C22H22O5
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| 19 | | 5,8-Dimethoxy-2,2-dimethyl-6-(3-phenyl-3-hydroxypropenoyl)-2H-1-benzopyran | 5,8-Dimethoxy-2,2-dimethyl-6-(3-phenyl-3-hydroxypropenoyl)-2H-1-benzopyran | C22H22O5
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| 20 | | 7-(benzyloxy)-2,4-dimethyl-2,3-dihydro-9aH-furo[2,3-b]chromen-9a-yl acetate | 7-(benzyloxy)-2,4-dimethyl-2,3-dihydro-9aH-furo[2,3-b]chromen-9a-yl acetate | C22H22O5
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| 21 | 50299-52-0 | 8-[(Z)-3-Hydroxy-3-methyl-1-butenyl]-5,7-dimethoxy-2-phenyl-4H-1-benzopyran-4-one | 8-[(Z)-3-Hydroxy-3-methyl-1-butenyl]-5,7-dimethoxy-2-phenyl-4H-1-benzopyran-4-one | C22H22O5
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| 22 | | 7-(2-Benxyloxyl)-6,7-dihydro-5H-benzocycloheptene-5,9-dicarboxylic acid 9-ethyl ester | 7-(2-Benxyloxyl)-6,7-dihydro-5H-benzocycloheptene-5,9-dicarboxylic acid 9-ethyl ester | C22H22O5
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| 23 | 879973-83-8 | (2E)-2-(2,3-Dihydro-5,6-dimethoxy-1H-inden-1-ylidene)-2,3-dihydro-5,6-dimethoxy-1H-inden-1-one | (2E)-2-(2,3-Dihydro-5,6-dimethoxy-1H-inden-1-ylidene)-2,3-dihydro-5,6-dimethoxy-1H-inden-1-one | C22H22O5
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| 24 | 6299-47-4 | 3-hydroxy-2-[(2-hydroxy-4-methyl-6-oxo-1-cyclohexa-1,3-dienyl)-(2-meth oxyphenyl)methyl]-5-methyl-cyclohexa-2,4-dien-1-one | 3-hydroxy-2-[(2-hydroxy-4-methyl-6-oxo-1-cyclohexa-1,3-dienyl)-(2-meth oxyphenyl)methyl]-5-methyl-cyclohexa-2,4-dien-1-one | C22H22O5
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