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