Ethyl 2-bromo-5-cyano-3-(trifluoromethoxy)pyridine-6-carboxylate
4-Amino-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile
Ethyl 2-bromo-4-cyano-6-(trifluoromethoxy)pyridine-3-carboxylate
5-Bromo-4-chloro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine