InChI=1S/C9H16N2O9S2/c10-5(8(13)14)1-2-21-4-6(9(15)16)11-7(12)3-20-22(17,18)19/h5-6H,1-4,10H2,(H,11,12)(H,13,14)(H,15,16)(H,17,18,19)