4-(Bromomethyl)-3-methyl-5-(trifluoromethoxy)pyridine-2-acetic acid
4-(Bromomethyl)-3-methyl-2-(trifluoromethoxy)pyridine-5-acetic acid
4-(Bromomethyl)-2-methyl-3-(trifluoromethoxy)pyridine-5-acetic acid
3-(Bromomethyl)-5-methyl-6-(trifluoromethoxy)pyridine-2-acetic acid