InChI=1/C27H23N5O/c1-2-31(22-13-7-4-8-14-22)27(33)23-16-25(21-11-5-3-6-12-21)30-26-24(23)18-29-32(26)19-20-10-9-15-28-17-20/h3-18H,2,19H2,1H3 87DEFF720BB58A5D