InChI=1S/C22H28O10S/c1-11-12(2)20(14-9-17(28-4)22(30-6)18(10-14)29-5)31-19(11)13-7-15(23)21(16(8-13)27-3)32-33(24,25)26/h7-12,19-20,23H,1-6H3,(H,24,25,26)