InChI=1S/C9H16N2O9S2/c1-4(12)11-5(8(13)14)2-21-3-6(7(10)9(15)16)20-22(17,18)19/h5-7H,2-3,10H2,1H3,(H,11,12)(H,13,14)(H,15,16)(H,17,18,19)