InChI=1S/C18H24N2O5S/c1-13(20-9-10-25-16-6-4-3-5-15(16)21)11-14-7-8-17(24-2)18(12-14)26(19,22)23/h3-8,12-13,20-21H,9-11H2,1-2H3,(H2,19,22,23)/t13-/m1/s1