Showing structure for 6-{9-benzyl-1,4,7-trihydroxy-6-[(1-methoxyindol-3-yl)methyl]-10-oxo-3h,6h,9h,12h,13h,14h,15h,15ah-pyrido[1,2-a]1,4,7,10-tetraazacyclododecan-3-yl}hexanoic acid