InChI=1S/C14H22N2O7S/c1-22-13-8-10(2-4-12(13)23-24(19,20)21)3-5-14(18)16-7-6-11(17)9-15/h2,4,8,11,17H,3,5-7,9,15H2,1H3,(H,16,18)(H,19,20,21)