Methyl 2-amino-4-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-carboxylate
5-Bromo-4-(bromomethyl)-3-chloro-2-(difluoromethyl)pyridine
Methyl 2-amino-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-4-carboxylate
5-Bromo-3-chloro-4-(difluoromethyl)-2-(trifluoromethyl)pyridine