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