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基于 PubChem CID 索引，支持名称 / 同义词 / CAS / SMILES 检索。

共找到 4 条结果，关键词：Erlotinib+Impurity+59

METHANIMIDAMIDE, N'-[2-CYANO-4,5-BIS(2-METHOXYETHOXY)PHENYL]-N,N-DIMETHYL- CAS 950596-59-5 PubChem CID 23725558

COCCOc1cc(C#N)c(N=CN(C)C)cc1OCCOC
2-((4-chloro-6-(2-methoxyethoxy)quinazolin-7-yl)oxy)ethanol? (Erlotinib Impurity pound(c) PubChem CID 152251430

COCCOc1cc2c(Cl)ncnc2cc1OCCO
N-(2-Chloromethyl)-N-methylpiperidine,hydrochloridesalt CAS 52670-38-9 PubChem CID 4153905

C#Cc1ccccc1N
4-[3-[[6,7-Bis(2-methoxyethoxy]-4-quinazolinyl]amino]phenyl]-2-methyl-3-butyn-2-ol, monohydrochloride CAS 299912-59-7 PubChem CID 9913356

COCCOc1cc2ncnc(Nc3cccc(C#CC(C)(C)O)c3)c2cc1OCCOC.Cl