Leuprorelin - Impuritry E

1926163-23-6

(S)-N-Ethyl-1-(((S)-5-oxopyrrolidine-2-carbonyl)-L-histidyl-D-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl)pyrrolidine-2-carboxamide; L-Prolinamide, 5-oxo-L-prolyl-L-histidyl-D-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl; 1-9-Luteinizing hormone-releasing factor (swine), 3-D-tryptophan-6-D-leucine-9-(N-ethyl-L-prolinamide);