HETEROCYCLIC COMPOUNDS ONLY WITH NITROGEN HETERO ATOM(S): - COMPOUNDS CONTAINING IN THE STRUCTURE AN UNCONDENSED IMIDAZOLE RING (HYDROGENATED OR NON-HYDROGENATED): - - OTHERS: - - - NAPHAZOLINE HYDROCHLORIDE (INNM) AND NAPHAZOLINE NITRATE (INNM); PHENTHOLAMINE (INN); TOLAZO