Ethyl 2-(difluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-6-acetate
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