InChI=1/C21H19NO9/c23-16-10-15(28-13-29-20(25)8-4-5-9-30-22(26)27)11-19-21(16)17(24)12-18(31-19)14-6-2-1-3-7-14/h1-3,6-7,10-12,23H,4-5,8-9,13H2 DC1831A1B31E79DC