Methyl 5-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetate
4-(Difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-6-methanol
Methyl 3-(difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-4-acetate
4-Iodo-3-methoxy-2-methyl-6-(trifluoromethoxy)pyridine