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