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

Smile: O=C([C@H]1N(C([C@H](CCCNC(N)=N)NC([C@H](CC(C)C)NC([C@@H](CC(C)C)NC([C@H](CC2=CC=C(O)C=C2)NC([C@H](CO)NC([C@H](CC3=CNC4=C3C=CC=C4)NC([C@H](CC5=CN=CN5)NC([C@@H](CC6)NC6=O)=O)=O)=O)=O)=O)=O)=O)=O)CCC1)NCC.O=C(O)C(F)(F)F