英文别名Erlotinib Impurity B; Erlotinib impurity 45; Erlotinib Impurity 3; 6-(2-Chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)-4-quinazolinamine; 4-Quinazolinamine, 6-(2-chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)-; 6-O-Chloroethyl Erlotinib