three kinds of suppositories were constructed with oleaginous base material ( witepsol h-15 ) : a conventional type suppository containing propranolol ( ppl ) hydrochloride mixed with a base material ( i ) , a hollow type suppository containing ppl in a form of aqueous solution ( ppl was dissolved in isotonic nacl solution ) in its cavity ( ii ) , a hollow type suppository containing ppl as powder ( hydrochloride salt ) in its cavity ( iii ) .
C0282321
propranolol
C0033497
ppl