InChI=1S/C15H22O8S/c1-7-8-4-5-14(2,17)10-9(23-24(19,20)21)6-15(3,18)11(10)12(8)22-13(7)16/h7-9,12,17-18H,4-6H2,1-3H3,(H,19,20,21)