Leuprolide Acetate Impurity I

Chemical Name: (S)-N-ethyl-1-(((R)-5-oxopyrrolidine-2-carbonyl)-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl)pyrrolidine-2-carboxamide di 2,2,2-trifluoroacetate