Showing structure for 3,15-dibenzyl-1,4,7,10,13-pentahydroxy-9-isopropyl-6,12-bis(2-methylpropyl)-3h,6h,9h,12h,15h,18h,19h,20h,20ah-pyrrolo[1,2-a]1,4,7,10,13,16-hexaazacyclooctadecan-16-one