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