(AC-D-Ala(sup 1)-D-phe(sup 2)-D-trp(sup 3,6))-LHRH (AC-D-Ala(sup 1)-D-phe(sup 2)-D-trp(sup 3,6))-luteinizing hormone-releasing hormone Luteinizing hormone-releasing hormone, (AC-D-ala(sup 1)-D-phe(sup 2)-D-trp(sup 3,6))- OK6373000