Ethyl 2-(bromomethyl)-5-iodo-3-(trifluoromethoxy)pyridine-6-carboxylate
6-(Bromomethyl)-4-methoxy-3-methyl-2-(trifluoromethoxy)pyridine
2-(Bromomethyl)-4-methoxy-3-methyl-5-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-methoxy-5-methyl-6-(trifluoromethoxy)pyridine