InChI=1S/C18H28N2O13/c21-10-11(22)13(17(30)31)33-18(12(10)23)32-9(16(28)29)1-4-19-7(14(24)25)2-5-20-6-3-8(20)15(26)27/h7-13,18-19,21-23H,1-6H2,(H,24,25)(H,26,27)(H,28,29)(H,30,31)