InChI=1S/C16H11NO10/c18-6-2-5-9(13(24)11(6)22)10-4(15(25)17-3-8(20)21)1-7(19)12(23)14(10)27-16(5)26/h1-2,18-19,22-24H,3H2,(H,17,25)(H,20,21)