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