| 1 | 1643673-64-6 | Icotinib Impurity 2 | Icotinib Impurity 2 | C22H20ClN3O4
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| 2 | 951661-81-7 | 他达拉非杂质D | Tadalafil iMpurity D | C22H20ClN3O4
| 对照品;杂质对照品;对照品-杂质对照品 | |
| 3 | 444793-16-2 | 5-[(2-benzoyl-4-chloroanilino)methylene]-1,3-diethyl-2,4,6(1H,3H,5H)-pyrimidinetrione | 5-[(2-benzoyl-4-chloroanilino)methylene]-1,3-diethyl-2,4,6(1H,3H,5H)-pyrimidinetrione | C22H20ClN3O4
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| 4 | 336165-54-9 | Benzamide, 4-chloro-N-[2-methyl-1-[(2-naphthalenylamino)carbonyl]propyl]-3-nitro- (9CI) | Benzamide, 4-chloro-N-[2-methyl-1-[(2-naphthalenylamino)carbonyl]propyl]-3-nitro- (9CI) | C22H20ClN3O4
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| 5 | 924974-35-6 | N-(1,3-benzodioxol-5-yl)-1-[2-(5-chloro-1H-indol-3-yl)ethyl]-5-oxopyrrolidine-3-carboxamide | N-(1,3-benzodioxol-5-yl)-1-[2-(5-chloro-1H-indol-3-yl)ethyl]-5-oxopyrrolidine-3-carboxamide | C22H20ClN3O4
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| 6 | 444178-94-3 | 2-(2-chlorophenoxy)-N-(2-{2-[(4-methoxy-1-naphthyl)methylene]hydrazino}-2-oxoethyl)acetamide | 2-(2-chlorophenoxy)-N-(2-{2-[(4-methoxy-1-naphthyl)methylene]hydrazino}-2-oxoethyl)acetamide | C22H20ClN3O4
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| 7 | | 3-{[2-(5-CHLORO-1H-INDOL-3-YL)ETHYL]AMINO}-1-(2,3-DIHYDRO-1,4-BENZODIOXIN-6-YL)PYRROLIDINE-2,5-DIONE | 3-{[2-(5-CHLORO-1H-INDOL-3-YL)ETHYL]AMINO}-1-(2,3-DIHYDRO-1,4-BENZODIOXIN-6-YL)PYRROLIDINE-2,5-DIONE | C22H20ClN3O4
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| 8 | | 1,2,3,4-Tetrahydro-3-(2-chlorophenyl)-1-(2-cyanoethyl)-5,7-dimethyl-2,4-dioxoquinazoline-6-carboxylic acid ethyl ester | 1,2,3,4-Tetrahydro-3-(2-chlorophenyl)-1-(2-cyanoethyl)-5,7-dimethyl-2,4-dioxoquinazoline-6-carboxylic acid ethyl ester | C22H20ClN3O4
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