Ethyl 2-(bromomethyl)-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetate
5-(Bromomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid
4-(Bromomethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid
4-(Bromomethyl)-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid