InChI=1/C21H28N2O2/c24-21(19-4-2-1-3-5-19)15-23-14-17-6-8-20(9-7-17)25-16-18-10-12-22-13-11-18/h6-13,19,21,23-24H,1-5,14-16H2/p+1/t21-/m0/s1/fC21H29N2O2/h23H/q+1 0D0B85ADBB4EA61E