InChI=1S/C11H17NO9S2/c12-7(10(15)16)5-22-8-3-6(21-23(18,19)20)1-2-11(8,17)4-9(13)14/h1-2,6-8,17H,3-5,12H2,(H,13,14)(H,15,16)(H,18,19,20)