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