InChI=1/C24H16BrNO4/c25-16-8-11-19-18(12-16)22(28)20-21(15-6-9-17(27)10-7-15)26(24(29)23(20)30-19)13-14-4-2-1-3-5-14/h1-12,21,27H,13H2/t21-/m1/s1 09C3B9110124F6A6