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