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