5-Bromo-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Bromo-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylic acid
4-Bromo-5-methyl-2-(trifluoromethoxy)pyridine-3-methanol
4-Bromo-6-methyl-2-(trifluoromethoxy)pyridine-3-methanol