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