5-Amino-3-(difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine
3-Amino-5-(difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine
3-Amino-4-(difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine
3-Amino-2-(difluoromethyl)-6-fluoro-5-(trifluoromethoxy)pyridine