英文别名Erlotinib metabolite; O-Didesmethylerlotinib; Erlotinib Impurity 6; 2-[4-(3-ethynylanilino)-7-(2-hydroxyethoxy)quinazolin-6-yl]oxyethanol; Erlotinib metabolite M12; CP-373943; OSI-943; Dimethyl erlotinib; Erlotinib Hydrochloride Impurity B; Erlotinib impurity I 
