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