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