5-(Bromomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-(Bromomethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
2-Bromo-6-chloro-3-(difluoromethyl)pyridine-5-carboxaldehyde
2,6-Diiodo-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine