2-Fluoro-6-(fluoromethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
6-Fluoro-4-(fluoromethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-Fluoro-3-(fluoromethyl)-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
2-Fluoro-3-(fluoromethyl)-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine