InChI=1/C22H22N2O/c1-3-16(2)24-20-13-7-6-12-19(20)23-22(24)15-25-21-14-8-10-17-9-4-5-11-18(17)21/h4-14,16H,3,15H2,1-2H3/t16-/m0/s1 CFA52FCF34DAC311