InChI=1/C14H19NO10S2/c16-6-9-11(18)12(19)13(20)14(24-9)26-10(15-25-27(21,22)23)5-7-1-3-8(17)4-2-7/h1-4,9,11-14,16-20H,5-6H2,(H,21,22,23)/b15-10+/t9?,11-,12+,13?,14+/s2