InChI=1S/C19H22O10S/c1-9(2)15(29-30(23,24)25)18(22)27-17-14(21)13-11(28-19(17,3)4)7-5-10-6-8-12(20)26-16(10)13/h5-9,14-15,17,21H,1-4H3,(H,23,24,25)