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