(D-Ala(sup 6)-des-gly-NH2(sup 10))-luteinizing hormone-releasing hormone ethylamide (D-Ala(sup 6)-des-gly-NH2(sup 10))LHRH ethylamide 52435-06-0 53818-13-6 56136-33-5 6-D-Alanine-9-(N-ethyl-L-prolinamide)-10-deglycinamide-luteinizing hormone-releasing hormone 67910-55-8 AY-25,205 BRN 0906592 Luteinizing hormone-releasing factor (pig), 6-D-alanine-9-(N-ethyl-L-prolinamide)-10-deglycinamide- Surfagon TAP 127 WY 18481