InChI=1/C27H24N2O4/c1-3-32-27(31)20-12-13-23-22(15-20)25(16-24(29-23)19-9-5-4-6-10-19)33-17-26(30)28-21-11-7-8-18(2)14-21/h4-16H,3,17H2,1-2H3,(H,28,30)/f/h28H 65859A5A2D24A7CB