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