InChI=1S/C15H15NO12/c17-6-4(2-1-3-5(6)15(26,14(24)25)13(23)16-3)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)