bufetolol [ 1-tert-butylamino-3-(o-(tetrahydrofurfuryloxy)phenoxy)-2-propanol,Adobiol,Y 6124,Y-6124,bufetolol hydrochloride ] proposed beta adrenergic blockader similar to propranolol; minor desriptor (77-86); on line & INDEX MEDICUS search PROPANOLAMINES (77-86); RN given refers to parent compound