Showing structure for 2-[3,6,9,12,15,18-hexahydroxy-8-(2-{2-[(hydroxymethylidene)amino]phenyl}-2-oxoethyl)-11,14-bis(2-methylpropyl)-17-(sec-butyl)-1,4,7,10,13,16-hexaazacyclooctadeca-1(18),3,6,9,12,15-hexaen-2-yl]ethanimidic acid