InChI=1/C21H30N2O3/c24-21(15-22-12-11-17-6-2-1-3-7-17)23-18-8-4-9-19(14-18)26-16-20-10-5-13-25-20/h4,6,8-9,14,20,22H,1-3,5,7,10-13,15-16H2,(H,23,24)/p+1/t20-/m1/s1/fC21H31N2O3/h22-23H/q+1 8BA4CC184850B389