InChI=1S/C22H28O9S/c1-12-13(2)21(30-20(12)14-7-8-16(26-3)17(9-14)27-4)15-10-18(28-5)22(19(11-15)29-6)31-32(23,24)25/h7-13,20-21H,1-6H3,(H,23,24,25)