InChI=1S/C21H26O10S/c1-11-14(10-22)21(13-8-17(28-3)19(23)18(9-13)29-4)30-20(11)12-5-6-15(16(7-12)27-2)31-32(24,25)26/h5-9,11,14,20-23H,10H2,1-4H3,(H,24,25,26)