InChI=1/C27H26N2O2/c1-17-7-5-10-22(14-17)27(31)29(24-12-11-18(2)13-20(24)4)16-23-15-21-9-6-8-19(3)25(21)28-26(23)30/h5-15H,16H2,1-4H3,(H,28,30)/f/h28H 316FA1587814E12A