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