(N-Ac-Pro,1D-p-Cl-Phe,2D-Nal(2)(3,6))-GnRH 82778-57-2 LHRH, N-ac-Pro(1)-(4-Cl-phe)(2)-(2-naphthyl-ala)(3,6)- Luteinizing hormone-releasing factor (pig), 1-(1-acetyl-L-proline)-(4-chloro-D-phenylalanine)-3-(3-(2-naphthalenyl)-D-alanine)-6-(3-(2-naphthalenyl)-D-alanine)- Luteinizing hormone-releasing factor (pig), 1-(1-acetyl-L-proline)-2-(4-chloro-D-phenylalanine)-3-(3-(2-naphthalenyl)-D-alanine)-6-(3-(2-naphthalenyl)-D-alanine)-