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