(D-p-F-Phe(sup 2)-D-ala(sup 6))-LHRH (D-p-F-Phe(sup 2)-D-ala(sup 6))-luteinizing hormone-releasing hormone 57383-17-2 Luteinizing hormone-releasing hormone, (D-p-F-phe(sup 2)-D-ala(sup 6))-