4-(Aminomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-sulfonamide
5-(Aminomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-sulfonamide
4-(Aminomethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile
3-(Aminomethyl)-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetonitrile