Luteinizing hormone-releasing hormone, Z-(gln(sup 1)-des-his(sup 2)-D-pse(sup 6)-des-gly(sup 10))-, ethylamide, hydrochloride OK6495800 Z-(Gln(sup 1)-des-his(sup 2)-D-pse(sup 6)-des-gly(sup 10))-LHRH ethylamide hydrochloride