InChI=1S/C18H28N2O13/c21-4-9(23)12(26)11(25)7-3-19-2-6(20-7)1-8(22)10(24)5-32-18-15(29)13(27)14(28)16(33-18)17(30)31/h2-3,8-16,18,21-29H,1,4-5H2,(H,30,31)