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