Ethyl 3-cyano-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetate
Ethyl 2-(aminomethyl)-3-cyano-6-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 2-(aminomethyl)-3-cyano-5-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-acetate