Methyl 4-(bromomethyl)-5-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 4-(bromomethyl)-3-methyl-6-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 4-(bromomethyl)-3-methyl-5-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 4-(bromomethyl)-5-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate