InChI=1/C23H22N2O2/c26-23(24-20-14-8-3-9-15-20)27-21-16-25(17-21)22(18-10-4-1-5-11-18)19-12-6-2-7-13-19/h1-15,21-22H,16-17H2,(H,24,26)/f/h24H 57B3B1065F2A22ED