we have observed that three general anesthetic agents of clinical importance , the gases methoxyflurane and halothane and the ultrashortacting barbiturate methohexital , reversibly inhibit vasopressin-stimulated water flow , but do not depress permeability to urea , or the the lipophilic solute diphenylhydantoin .
C0004745
barbiturate
C0025668
methohexital