InChI=1S/C13H20N2O6S/c14-7-1-2-8-15-13(17)12(21-22(18,19)20)9-10-3-5-11(16)6-4-10/h3-6,12,16H,1-2,7-9,14H2,(H,15,17)(H,18,19,20)