Methyl 3,4-dihydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
6-Iodo-3-methyl-4-(trifluoromethoxy)pyridine-2-methanol
5-Bromo-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylic acid
6-Bromo-2-(difluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine