InChI=1S/C19H18O10S/c1-9(8-28-30(24,25)26)3-4-10-13(27-2)7-14-16(17(10)22)18(23)15-11(20)5-6-12(21)19(15)29-14/h3,5-7,20-22H,4,8H2,1-2H3,(H,24,25,26)