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