Leuprolide Acetate EP Impurity G 

Chemical Name: (D-Tyr5)-Leuprolide ; (S)-N-ethyl-1-(((S)-5-oxopyrrolidine-2-carbonyl)-L-histidyl-L-tryptophyl-L-seryl-D-tyrosyl-D-leucyl-L-leucyl-L-arginyl)pyrrolidine-2-carboxamide 2,2,2-trifluoroacetate