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