Showing structure for 7-[(2-bromo-1h-indol-3-yl)methyl]-4-(3,4-dihydroxyphenyl)-6,12-dihydroxy-8,10,13,15,17,19-hexamethyl-1-oxa-5,8,11-triazacyclononadeca-5,11,15-triene-2,9-dione