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