Methyl 2-(bromomethyl)-5-cyano-4-(trifluoromethoxy)pyridine-3-carboxylate
3-(Bromomethyl)-5-cyano-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
Methyl 6-(bromomethyl)-4-cyano-2-(trifluoromethoxy)pyridine-3-carboxylate
3-(Bromomethyl)-5-cyano-4-(trifluoromethoxy)pyridine-2-acetic acid