InChI=1/C25H24N2O/c1-3-15-27-22-12-8-7-11-21(22)24-23(27)14-13-20-16-26(17-28-25(20)24)18(2)19-9-5-4-6-10-19/h3-14,18H,1,15-17H2,2H3/t18-/m1/s1 3780E9DDA0B24835