Ethyl 2-cyano-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate
3-(Aminomethyl)-2-cyano-6-hydroxy-4-(trifluoromethoxy)pyridine
Ethyl 4-chloro-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-acetate
Ethyl 6-cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate