2-(Fluoromethyl)-6-methoxy-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-(Chloromethyl)-3-methyl-4-nitro-5-(trifluoromethoxy)pyridine
3-(Bromomethyl)-6-methyl-4-nitro-2-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-methyl-3-nitro-4-(trifluoromethoxy)pyridine