InChI=1/C24H24N2O2/c1-17-13-14-22(21(15-17)23(27)20-11-7-4-8-12-20)26-24(28)18(2)25-16-19-9-5-3-6-10-19/h3-15,18,25H,16H2,1-2H3,(H,26,28)/t18-/m0/s1/f/h26H 93FABF675E3E5EC5