InChI=1S/C10H19NO10S2/c1-4(13)2-6(11-21-23(17,18)19)22-10-9(16)8(15)7(14)5(3-12)20-10/h4-5,7-10,12-16H,2-3H2,1H3,(H,17,18,19)/b11-6+