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