InChI=1/C21H28N2O2/c1-16-5-8-18(9-6-16)19(23-11-3-4-12-23)15-22-14-17-7-10-21(25-2)20(24)13-17/h5-10,13,19,22,24H,3-4,11-12,14-15H2,1-2H3/p+1/t19-/m1/s1/fC21H29N2O2/h23H/q+1 EA6F66AE8FAF0C91