英文同义词: | METHYL 3,4,5,6-TETRACHLOROPYRIDINE-2-CARBOXYLATE;3,4,5,6-TETRACHLORO-PYRIDINE-2-CARBOXYLIC ACID METHYL ESTER;2-Pyridinecarboxylic acid, 3,4,5,6-tetrachloro-, methyl ester;Regorafenib Impurity 52;Methyl-3,4,5,6-tetrachloropicolinate (Regorafenib Impurity) |