InChI=1S/C21H24O8S/c1-27-19-5-3-4-15(12-19)6-9-17(22)14-18(23)10-7-16-8-11-20(21(13-16)28-2)29-30(24,25)26/h3-5,8,11-13H,6-7,9-10,14H2,1-2H3,(H,24,25,26)