hydrochloride(n = noun.substance) - a complex consisting of an organic base in association with hydrogen chloride;
is a kind of complex, coordination compound

   A compound of hydrochloric acid with a base; -- distinguished from a chloride, where only chlorine unites with the base. [1913 Webster]

hydrochloride, n. Chem. a compound of an organic base with hydrochloric acid.

amitriptyline hydrochloride, demeclocycline hydrochloride, dolophine hydrochloride, doxepin hydrochloride, flurazepam hydrochloride, hydromorphone hydrochloride, hydroxyzine hydrochloride, impramine hydrochloride, ketamine hydrochloride, labetalol hydrochloride, meclizine hydrochloride, mefloquine hydrochloride, meperidine hydrochloride, methadone hydrochloride, methamphetamine hydrochloride, oxytetracycline hydrochloride, phencyclidine hydrochloride, piperocaine hydrochloride, procaine hydrochloride, propoxyphene hydrochloride, quinacrine hydrochloride, trazodone hydrochloride