InChI=1S/C14H22N2O7S/c1-22-13-9-10(4-5-12(13)23-24(19,20)21)8-11(17)14(18)16-7-3-2-6-15/h4-5,9,11,17H,2-3,6-8,15H2,1H3,(H,16,18)(H,19,20,21)