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