InChI=1S/C10H16N2O4S/c13-8(14)4-2-1-3-7-9-6(5-17(7)16)11-10(15)12-9/h6-7,9H,1-5H2,(H,13,14)(H2,11,12,15)/t6-,7-,9-,17?/m0/s1