Ethyl 5-amino-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxylate
4-Bromo-3-chloro-5-cyano-2-(difluoromethyl)pyridine
4-Bromo-3-chloro-6-(difluoromethyl)-2-fluoropyridine
Ethyl 3-amino-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxylate