Methyl 3-cyano-2-methoxy-4-(trifluoromethoxy)pyridine-6-carboxylate
2-(Bromomethyl)-3-cyano-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-cyano-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine
2-Cyano-3-(difluoromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine