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