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