英文别名Lapatinib Impurity 1; 2-chloro-4-((6-(5-(((2-(methylsulfonyl)ethyl)amino)methyl)furan-2-yl)quinazolin-4-yl)amino)phenol; o-Dealkylated lapatinib; Lapatinib metabolite M1; Lapatinib Impurity 37; Lapatinib Impurity 20; Lapatinib Impurity 35; Lapatinib O-Desfluorobenzyl Imp 
