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