Ethyl 2-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
2-Hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-methanol
Methyl 3-(difluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
5-Hydroxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetonitrile