InChI=1S/C18H28N2O14/c21-7(17(32)34-18-12(25)10(23)11(24)13(33-18)16(30)31)1-3-19-9(15(28)29)8(22)5-20-4-2-6(20)14(26)27/h6-13,18-19,21-25H,1-5H2,(H,26,27)(H,28,29)(H,30,31)