InChI=1S/C21H21ClO10S/c1-8-10(5-14-21(3,4)32-14)12(23)6-13-18(8)31-20(25)15-9(2)16(22)17(24)11(19(15)30-13)7-29-33(26,27)28/h6,14,23-24H,5,7H2,1-4H3,(H,26,27,28)