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