InChI=1/C20H24N2O6/c1-11-16(12(2)22(21-11)20(3,4)5)19(25)28-15-9-13(17(23)26-6)8-14(10-15)18(24)27-7/h8-10H,1-7H3 DE29F69BCCFA4C2D