InChI=1/C20H24N2O5/c1-20(2,9-12-3-5-13(23)6-4-12)21-10-16(25)14-7-8-15(24)18-19(14)27-11-17(26)22-18/h3-8,16,21,23-25H,9-11H2,1-2H3,(H,22,26)/p+1/t16-/m1/s1/fC20H25N2O5/h21-22H/q+1 21636EC7B3B3ADE0