InChI=1S/C16H15NO11/c18-7-3-6(14(23)24)17-9-5(7)1-4(2-8(9)19)27-16-12(22)10(20)11(21)13(28-16)15(25)26/h1-3,10-13,16,19-22H,(H,17,18)(H,23,24)(H,25,26)