4-(Difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-methanol
3-(Difluoromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-2-methanol
Ethyl 4-iodo-5-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 4-iodo-6-methyl-3-(trifluoromethoxy)pyridine-2-carboxylate