3-(Fluoromethyl)-4-methyl-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-(Chloromethyl)-2-methyl-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
4-(Bromomethyl)-3-methyl-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
3-(Bromomethyl)-5-methyl-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine