InChI=1S/C22H28O9S/c1-6-12(5)19(24)18-21(26)13(9-8-11(3)4)20(25)17-14(10-16(23)30-22(17)18)15(7-2)31-32(27,28)29/h8,10,12,15,25-26H,6-7,9H2,1-5H3,(H,27,28,29)