InChI=1S/C22H23O14S/c1-32-15-4-9(2-3-13(15)36-37(29,30)31)21-16(7-11-12(25)5-10(24)6-14(11)33-21)34-22-20(28)19(27)18(26)17(8-23)35-22/h2-7,17-20,22-28H,8H2,1H3,(H,29,30,31)