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