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