InChI=1S/C19H22O10S/c1-10(9-20)8-14(22)27-18-17(29-30(23,24)25)15-12(28-19(18,2)3)6-4-11-5-7-13(21)26-16(11)15/h4-7,10,17-18,20H,8-9H2,1-3H3,(H,23,24,25)