Showing structure for 18-benzyl-5,8,11,14,17-pentahydroxy-6-(hydroxymethyl)-9-[(4-hydroxyphenyl)methyl]-15-methyl-3-({4-[(3-methylbut-2-en-1-yl)oxy]phenyl}methyl)-1-oxa-4,7,10,13,16-pentaazacyclooctadeca-4,7,10,13,16-pentaen-2-one