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