InChI=1/C20H26N2O6/c1-3-26-10-9-22(13-17-7-8-18(28-17)20(24)25-2)12-15-5-4-6-16(11-15)27-14-19(21)23/h4-8,11H,3,9-10,12-14H2,1-2H3,(H2,21,23)/p+1/fC20H27N2O6/h22H,21H2/q+1 D6BA509B7960FC86