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