InChI=1S/C15H15NO10/c17-5-3-1-2-4-6(12(21)16-7(4)5)14(24)26-15-10(20)8(18)9(19)11(25-15)13(22)23/h1-3,6,8-11,15,17-20H,(H,16,21)(H,22,23)