InChI=1S/C22H28O10S/c1-12-15(11-23)21(13-6-7-16(17(8-13)27-2)32-33(24,25)26)31-20(12)14-9-18(28-3)22(30-5)19(10-14)29-4/h6-10,12,15,20-21,23H,11H2,1-5H3,(H,24,25,26)