2-Dehistidyl-6-alanine-LHRH 2-Des-his-6-ala-LHRH 2-de-L-Histidine-6-D-alanine luteinizing hormone releasing factor 51230-20-7 GNRH, des-his(2)-ala(6)- LHRH, Des-his(2)-ala(6)- LHRH, dehistidyl(2)-alanine(6)-