InChI=1S/C16H18O8S/c1-23-12-4-2-3-10(5-12)6-13(24-25(20,21)22)9-14-15(18)7-11(17)8-16(14)19/h2-5,7-8,13,17-19H,6,9H2,1H3,(H,20,21,22)