InChI=1S/C18H28N2O13/c21-4-9(23)8(22)1-6-2-19-3-7(20-6)11(25)12(26)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)