InChI=1S/C15H22N2O11/c16-5(4-7(18)19)12(23)17-3-1-2-6(17)14(26)28-15-10(22)8(20)9(21)11(27-15)13(24)25/h5-6,8-11,15,20-22H,1-4,16H2,(H,18,19)(H,24,25)