InChI=1S/C15H20O10S/c1-2-3-8-4-5-9(10(6-8)25-26(20,21)22)23-15-14(19)13(18)12(17)11(7-16)24-15/h2,4-6,11-19H,1,3,7H2,(H,20,21,22)