Methyl 5-(difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-acetate
3-(Difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 3-(difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 5-(difluoromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-2-acetate