2-Amino-3-chloro-4-(difluoromethyl)-6-(trifluoromethyl)pyridine
3-Amino-5-cyano-6-(difluoromethyl)-2-(trifluoromethyl)pyridine
3-Amino-5-cyano-2-(difluoromethyl)-6-(trifluoromethyl)pyridine
3-Amino-4-cyano-6-(difluoromethyl)-2-(trifluoromethyl)pyridine