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