InChI=1S/C19H22N2O6S2/c1-20(2)11-12-21-15-5-3-4-6-16(15)28-18(17(22)19(21)23)13-7-9-14(10-8-13)27-29(24,25)26/h3-10,17-18,22H,11-12H2,1-2H3,(H,24,25,26)