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