InChI=1/C21H34N2O4/c1-5-17(2)20(21(25)27-4)22-19(24)16-23(13-9-10-14-26-3)15-18-11-7-6-8-12-18/h6-8,11-12,17,20H,5,9-10,13-16H2,1-4H3,(H,22,24)/p+1/t17-,20-/m0/s1/fC21H35N2O4/h22-23H/q+1 650551BF932D8A84