Ethyl 2-bromo-5-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate
4-Bromo-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid
Methyl 4-bromo-5-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate
4-Bromo-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylic acid