Ethyl 2-(bromomethyl)-4-chloro-5-(trifluoromethoxy)pyridine-3-carboxylate
5-(Bromomethyl)-2-chloro-4-(trifluoromethoxy)pyridine-3-acetic acid
Ethyl 2-(bromomethyl)-3-chloro-4-(trifluoromethoxy)pyridine-5-carboxylate
4-(Bromomethyl)-3-chloro-5-(trifluoromethoxy)pyridine-2-acetic acid