1-Pyr-2-phe-3,6-trp-LHRH 68059-94-9 GNRH, pglu(1)-phe(2)-trp(3,6)- Gpt-LHRH LHRH, D-pglu(1)-D-phe(2)-D-trp(3,6)- LHRH, pglu(1)-phe(2)-trp(3,6)- LHRH, pyroglutamyl(1)-phenylalanyl(2)-tryptophyl(3,6)- Luteinizing hormone-releasing factor, 1-(5-oxo-D-proline)-2-D-phenylalanine-3-D-tryptophan-6-D-tryptophan-