InChI=1S/C18H32N2O14/c19-3-5(1-2-6(20)15(27)28)31-18-12(26)13(8(22)7(4-21)32-18)33-17-11(25)9(23)10(24)14(34-17)16(29)30/h5-14,17-18,21-26H,1-4,19-20H2,(H,27,28)(H,29,30)