InChI=1/C24H24N2O2/c1-26(2)22(18-9-5-3-6-10-18)17-25-24(28)21-15-13-20(14-16-21)23(27)19-11-7-4-8-12-19/h3-16,22H,17H2,1-2H3,(H,25,28)/t22-/m1/s1/f/h25H 728C9001B945A064