InChI=1S/C16H17NO12/c18-5-2-1-4-7(16(27,3-6(19)20)15(26)17-4)11(5)28-14-10(23)8(21)9(22)12(29-14)13(24)25/h1-2,8-10,12,14,18,21-23,27H,3H2,(H,17,26)(H,19,20)(H,24,25)