Leuprolide Acetate Impurity J

Chemical Name: (S)-1-((3S,6S,9S,12S,15R,18S,21S)-3-((1H-imidazol-5-yl)methyl)-6-((1H-indol-3-yl)methyl)-21-(3-(1H-pyrazole-1-carboximidamido)propyl)-12-(4-hydroxybenzyl)-9-(hydroxymethyl)-15,18-diisobutyl-1,4,7,10,13,16,19-heptaoxo-1-((S)-5-oxopyrrolidin-2-yl)-2,5,8,11,14,17,20-heptaazadocosan-22-oyl)-N-ethylpyrrolidine-2-carboxamide