Showing structure for 3-[5-(carboxymethyl)-9,20-diethyl-10,15,19-trimethyl-21,22,23,24-tetraazapentacyclo[16.2.1.1³,⁶.1⁸,¹¹.1¹³,¹⁶]tetracosa-1(21),2,4,6,8(23),9,11,13,15,17,19-undecaen-4-yl]propanoic acid