Showing structure for 3,9-dibenzyl-1,10-dihydroxy-6-isopropyl-5,8-dimethyl-17-(2-methylpropyl)-3h,6h,9h,12h,13h,14h,17h,20h,21h,22h,22ah-pyrrolo[1,2-d]1-oxa-4,7,10,13,16-pentaazacycloicosane-4,7,15,18-tetrone