InChI=1/C20H24N2O5/c1-6-26-20(25)15-11(3)17(22-12(15)4)18(23)13(5)27-19(24)14-9-7-8-10(2)16(14)21/h7-9,13,22H,6,21H2,1-5H3/t13-/m1/s1 6341E5F19C45CA76