Ethyl 3-(difluoromethyl)-2-hydroxy-5-(trifluoromethyl)pyridine-4-acetate
Ethyl 6-(difluoromethyl)-2-hydroxy-3-(trifluoromethyl)pyridine-4-acetate
3-(Difluoromethyl)-6-iodo-2-methoxypyridine-4-carbonyl chloride
Methyl 5-(difluoromethyl)-3-hydroxy-2-(trifluoromethyl)pyridine-4-acetate