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