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