Methyl 3-(chloromethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 5-(chloromethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
2-(Chloromethyl)-6-cyano-3-(difluoromethyl)pyridine
5-Cyano-2-(difluoromethyl)-4-(trifluoromethyl)pyridine