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