InChI=1/C26H24BrNO3/c1-16-9-10-17(2)20(13-16)15-28-23-12-11-21(27)14-22(23)26(31,25(28)30)18(3)24(29)19-7-5-4-6-8-19/h4-14,18,31H,15H2,1-3H3/t18-,26-/m0/s1 5A7721676E72DC60