InChI=1/C27H25NO2/c1-17-16-27(2,3)28-22-13-12-21-20-10-5-6-11-23(20)30-24(26(21)25(17)22)15-18-8-7-9-19(14-18)29-4/h5-16,28H,1-4H3/b24-15- E9D759F5EB1A414E