Showing structure for (3s,6s,9s,12s,15r,20as)-15-benzyl-1,7-dihydroxy-3-(hydroxymethyl)-6-isopropyl-5,11,12-trimethyl-9-({4-[(3-methylbut-2-en-1-yl)oxy]phenyl}methyl)-3h,6h,9h,12h,15h,18h,19h,20h,20ah-pyrrolo[1,2-d]1-oxa-4,7,10,13,16-pentaazacyclooctadecane-4,10,13,16-tetrone