InChI=1/C24H24N2O/c1-3-23(27-20-14-8-5-9-15-20)24-25-21-16-10-11-17-22(21)26(24)18(2)19-12-6-4-7-13-19/h4-18,23H,3H2,1-2H3/t18-,23+/m1/s1 B9927A92E0C45A85