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