Ethyl 5-cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 5-cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
3-(Aminomethyl)-6-fluoro-2-methyl-4-(trifluoromethoxy)pyridine
Ethyl 3-cyano-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylate