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