InChI=1/C21H28N2O2/c1-16(17-10-6-5-7-11-17)22-14-18-12-8-9-13-19(18)25-15-20(24)23-21(2,3)4/h5-13,16,22H,14-15H2,1-4H3,(H,23,24)/p+1/t16-/m0/s1/fC21H29N2O2/h22-23H/q+1 4980181B75184B8B