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