Ethyl 3-(bromomethyl)-2-methyl-5-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 6-(bromomethyl)-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate
3-(Bromomethyl)-2-methyl-4-(trifluoromethoxy)pyridine-5-carboxylic acid
6-(Bromomethyl)-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylic acid