InChI=1S/C16H13NO10/c18-8-2-7(3-9(19)13(8)23)16(26)27-11-4-6(1-10(20)14(11)24)15(25)17-5-12(21)22/h1-4,18-20,23-24H,5H2,(H,17,25)(H,21,22)