Methyl 2-methoxy-6-nitro-4-(trifluoromethoxy)pyridine-3-acetate
5-(Chloromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-6-acetonitrile
Methyl 2-methoxy-5-nitro-6-(trifluoromethoxy)pyridine-3-acetate
6-(Bromomethyl)-4-methoxy-3-nitro-2-(trifluoromethoxy)pyridine