InChI=1S/C16H17NO12/c18-7-8(19)10(12(22)23)29-14(9(7)20)28-4-1-2-6-5(3-4)16(27,15(26)17-6)11(21)13(24)25/h1-3,7-11,14,18-21,27H,(H,17,26)(H,22,23)(H,24,25)