2-Phe-3-trp-6-phe-LHRH 63722-14-5 GNRH, phe(2)-trp(3)-phe(6)- LHRH, phe(2)-trp(3)-phe(6)- LHRH, phenylalanyl(2)-tryptophyl(3)-phenylalanine(6)- Luteinizing hormone-releasing factor (pig), 2-D-phenylalanine-3-D-tryptophan-6-D-phenylalanine- Ptp-LHRH