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