InChI=1S/C20H24N2O5/c1-20(2,9-12-3-5-13(23)6-4-12)21-10-17(25)15-7-14(24)8-16-19(15)27-11-18(26)22-16/h3-8,17,21,23-25H,9-11H2,1-2H3,(H,22,26)/t17-/m0/s1