英文别名4-(2-Aminophenoxy)-N-methyl-2-pyridinecarboxamide; Sorafenib Impurity 37; 4-(2-aminophenoxy)-N-methylpyridine-2-carboxamide; Sorafenib Impurity 54; 4-(2-Amino-phenoxy)-pyridine-2-carboxylic acid methylamide; Pirfenidone Impurity 1; Sorafenib Impurity HC121-201812; Regorafenib Impurity ZW; 2-Pyridinecarboxamide, 4-(2-aminophenoxy)-N-methyl- 
