Showing structure for {9-benzyl-2,5,8,14-tetrahydroxy-3,10,15-trimethyl-12-[3-({[(methyl-c-hydroxycarbonimidoyl)amino]methanimidoyl}amino)propyl]-11-oxo-16-(pent-2-en-1-yl)-1,4,7,10,13-pentaazacyclohexadeca-1,4,7,13-tetraen-6-yl}acetic acid