Showing structure for 12-benzyl-5,8,11,14,17-pentahydroxy-6-(1-hydroxyethyl)-15-(hydroxymethyl)-3-(1h-indol-3-ylmethylidene)-9-methyl-6,9,12,15-tetrahydro-1h-1,4,7,10,13,16-benzohexazacyclononadecin-2-one