InChI=1S/C21H24O8S/c1-12(2)4-6-15-17(22)9-8-16-20(29-30(24,25)26)11-19(28-21(15)16)14-7-5-13(27-3)10-18(14)23/h4-5,7-10,19-20,22-23H,6,11H2,1-3H3,(H,24,25,26)