InChI=1S/C19H24N2O6/c1-26-15-9-12-8-14-18(24)20(7-5-3-4-6-17(22)23)19(25)21(14)11-13(12)10-16(15)27-2/h9-10,14H,3-8,11H2,1-2H3,(H,22,23)/t14-/m0/s1