InChI=1/C20H24N2O4/c1-20(2,10-13-6-4-3-5-7-13)21-11-17(24)15-8-14(23)9-16-19(15)26-12-18(25)22-16/h3-9,17,21,23-24H,10-12H2,1-2H3,(H,22,25)/p+1/t17-/m0/s1/fC20H25N2O4/h21-22H/q+1 DE1BF8CA425679DD