InChI=1S/C16H22N2O10/c17-4-8-7(6(5-18-8)1-2-9(19)20)3-10(21)27-16-13(24)11(22)12(23)14(28-16)15(25)26/h5,11-14,16,18,22-24H,1-4,17H2,(H,19,20)(H,25,26)