Ganirelix Acetate Impurity A

Chemical Name: (S)-1-(N2-N2-((R)-2-((R)-2-((R)-2-acetamido-3-(naphthalen-2-yl)propanamido)-3-(4-chlorophenyl)propanamido)-3-(pyridin-3-yl)propanoyl)-L-seryl-L-tyrosyl-N6-((E)-N,N'-diethylcarbamimidoyl)-D-lysyl-L-leucyl-N6-((E)-N,N'-diethylcarbamimidoyl)-L-lysyl)-N-((S)-1-amino-1-oxopropan-2-yl)pyrrolidine-2-carboxamide