InChI=1S/C16H16O10S/c1-23-9-3-8-4-12-14(15(18)13(8)11(5-9)24-2)10(17)6-16(19,26-12)7-25-27(20,21)22/h3-5,18-19H,6-7H2,1-2H3,(H,20,21,22)