InChI=1/C21H24N2O6/c1-4-21(24)22-10-9-14-11-19(27-2)20(28-3)12-17(14)18(22)13-29-16-7-5-15(6-8-16)23(25)26/h5-8,11-12,18H,4,9-10,13H2,1-3H3/t18-/m1/s1 64838477CED71377