3-Bromo-6-(chloromethyl)-4-cyano-2-(trifluoromethoxy)pyridine
5-Amino-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile
Ethyl 4-amino-2-(chloromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
3-Amino-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetonitrile