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