InChI=1/C21H28N2O2/c24-20(18-8-2-1-3-9-18)15-23-14-19-10-4-5-11-21(19)25-16-17-7-6-12-22-13-17/h4-7,10-13,18,20,23-24H,1-3,8-9,14-16H2/p+1/t20-/m0/s1/fC21H29N2O2/h23H/q+1 826EC68A3C283B0C