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