3-Bromo-4-(difluoromethyl)pyridine-2-carboxaldehyde
2-(Chloromethyl)-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid
2-Bromo-4-(difluoromethyl)pyridine-3-carboxaldehyde
2-(Chloromethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid