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基于 PubChem CID 索引，支持名称 / 同义词 / CAS / SMILES 检索。
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(S)-Ethyl 2-((4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)amino)-2-oxoacetate (Afatinib Impurity) CAS 2803420-62-2 PubChem CID 163323847
CCOC(=O)C(=O)Nc1cc2c(Nc3ccc(F)c(Cl)c3)ncnc2cc1O[C@H]1CCOC1 -
(S)-Ethyl 2-((4-((3-chloro-4-fluorophenyl)amino)-7-((tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)amino)-2-oxoacetate (Afatinib Impurity) CAS 2803420-62-2 PubChem CID 169545053
CCOC(=O)C(=O)Nc1cc2c(Nc3ccc(F)c(Cl)c3)ncnc2cc1OC1CCOC1