InChI=1/C21H24N2O2/c1-3-23(4-2)18(16-10-6-5-7-11-16)15-22-21(24)20-14-17-12-8-9-13-19(17)25-20/h5-14,18H,3-4,15H2,1-2H3,(H,22,24)/p+1/t18-/m0/s1/fC21H25N2O2/h22-23H/q+1 A36BC26AE4D6594E