Ethyl 2-amino-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-6-carboxylate
2-Bromo-3-cyano-4-(trifluoromethoxy)pyridine-6-acetic acid
Ethyl 5-bromo-2-cyano-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 3-bromo-4-cyano-2-(trifluoromethoxy)pyridine-6-carboxylate