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