Ethyl 4-(difluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-2-acetate
Ethyl 4-(difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-6-acetate
6-(Difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 4-(difluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetate