InChI=1S/C16H15NO11/c18-7-2-6(14(23)24)17-5-3-9(8(19)1-4(5)7)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)