Methyl 3-iodo-2-nitro-4-(trifluoromethoxy)pyridine-5-carboxylate
4-(Difluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-3-methanol
4-(Difluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-3-methanol
Methyl 6-hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetate