Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
6,6',7,7'-Tetrakis(2-methoxyethoxy)-4H-[3,4'-biquinazolin]-4-one is an impurity of Erlotinib (E625000). Erlotinib is a selective epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitor. An antineoplastic.