InChI=1S/C17H24O8S/c1-10-4-5-16(8-22-11(2)18)13(6-10)24-14-12(25-26(19,20)21)7-15(16,3)17(14)9-23-17/h6,12-14H,4-5,7-9H2,1-3H3,(H,19,20,21)