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