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