InChI=1S/C15H15NO12/c17-5-1-3-4(2-6(5)18)16-13(24)15(3,26)14(25)28-12-9(21)7(19)8(20)10(27-12)11(22)23/h1-2,7-10,12,17-21,26H,(H,16,24)(H,22,23)