InChI=1S/C18H24N2O8S2/c1-13(11-14-7-8-17(26-2)18(12-14)29(19,21)22)20-9-10-27-15-5-3-4-6-16(15)28-30(23,24)25/h3-8,12-13,20H,9-11H2,1-2H3,(H2,19,21,22)(H,23,24,25)/t13-/m1/s1