InChI=1/C20H30N2O/c23-20-17-21(13-8-11-18-9-4-3-5-10-18)16-12-19(20)22-14-6-1-2-7-15-22/h3-5,8-11,19-20,23H,1-2,6-7,12-17H2/p+1/b11-8+/t19-,20-/m1/s1/fC20H31N2O/h22H/q+1 A7A10C944568C2E3