3-Hydroxy-6-nitro-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
Methyl 5-hydroxy-4-nitro-2-(trifluoromethoxy)pyridine-3-acetate
2-(Difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-6-acetonitrile
Methyl 3-hydroxy-4-nitro-5-(trifluoromethoxy)pyridine-2-acetate