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