(N-Acetyl-D-beta-Nall-D-pCl-Phe2-D-Phe3-D-Arg6-Phe7-Arg8-D-Ala10)NH2 GnRH 115950-83-9 127545-69-1 BIM 21009 D-Alaninamide, N-acetyl-3-(1-naphthalenyl)-D-alanyl-4-chloro-D-phenylalanyl-D-phenylalanyl-L-seryl-L-tyrosyl-D-arginyl-L-phenylalanyl-L-arginyl-L-prolyl-