azanium 5-carbamoyl-7-oxabicyclo[2.2.1]hept-2-ene-6-carboxylate

KF 392 is an antiulcer agent. It was found that KF-392 given orally to rats at 1.0 to 5.0 mg/kg had a marked suppression on the developments of Shay ulcer as well as the aspirin-, stress-, and reserpine-induced gastric lesions.