2-(Difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-4-acetonitrile
2-Amino-4-(difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine
2-Amino-4-chloro-5-methyl-3-(trifluoromethoxy)pyridine
2-(Bromomethyl)-4-chloro-5-(difluoromethyl)-3-iodopyridine