(D-Phe(sup 2)-D-leu(sup 6))-LHRH (D-Phe(sup 2)-D-leu(sup 6))-luteinizing hormone-releasing hormone 56269-16-0 LHRH, Phe(2)-leu(6)- Luteinizing hormone-releasing hormone, (D-phe(sup 2)-D-leu(sup 6))-