2-(Bromomethyl)-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid
5-(Aminomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
5-(Aminomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
6-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid