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