InChI=1S/C10H14N2O9S/c13-3-7-6(14)1-8(21-7)12-2-5(4-20-22(17,18)19)9(15)11-10(12)16/h2,6-8,13-14H,1,3-4H2,(H,11,15,16)(H,17,18,19)