InChI=1S/C22H22O14S/c1-32-21-12(34-22-19(28)18(27)17(26)15(8-23)35-22)5-3-10-16(25)14(33-20(10)21)7-9-2-4-11(24)13(6-9)36-37(29,30)31/h2-7,15,17-19,22-24,26-28H,8H2,1H3,(H,29,30,31)/b14-7+