InChI=1/C23H24N2O/c1-18(21-14-9-15-24-17-21)25(2)23(26)16-22(19-10-5-3-6-11-19)20-12-7-4-8-13-20/h3-15,17-18,22H,16H2,1-2H3/t18-/m1/s1 5C99D77BC7EEA21F