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