Showing structure for 5,15-dihydroxy-5,10,15,19-tetramethyl-21,22,23,24-tetraazapentacyclo[16.2.1.1³,⁶.1⁸,¹¹.1¹³,¹⁶]tetracosa-1,3(24),6,8,10,12,16(22),17,19-nonaene-4,14-dione