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