Methyl 3-fluoro-2-nitro-4-(trifluoromethoxy)pyridine-5-carboxylate
6-(Bromomethyl)-4-fluoro-3-methoxy-2-(trifluoromethoxy)pyridine
Methyl 6-fluoro-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-fluoro-2-iodo-3-(trifluoromethoxy)pyridine-6-carboxylate