Showing structure for 1,4,10-trihydroxy-6-isopropyl-8,9-dimethyl-16-(2-methylpropyl)-3-(sec-butyl)-3h,6h,9h,12h,13h,16h,19h,20h,21h,21ah-pyrrolo[1,2-d]1-oxa-4,7,10,13,16-pentaazacyclononadecane-7,14,17-trione