InChI=1/C21H31N3O4/c1-5-7-12-24(6-2)15-18-9-8-17(28-18)14-22-21(25)23-19-11-10-16(26-3)13-20(19)27-4/h8-11,13H,5-7,12,14-15H2,1-4H3,(H2,22,23,25)/p+1/fC21H32N3O4/h22-24H/q+1 3E733BB917F863F3