InChI=1/C10H17NO9S2/c1-2-3-6(11-20-22(16,17)18)21-10-9(15)8(14)7(13)5(4-12)19-10/h2,5,7-10,12-15H,1,3-4H2,(H,16,17,18)/b11-6+/t5?,7-,8+,9?,10+/s2