InChI=1S/C16H16O9S/c1-23-13-5-9(17)6-14-11(13)4-8(7-24-14)10-2-3-12(18)16(15(10)19)25-26(20,21)22/h2-3,5-6,8,17-19H,4,7H2,1H3,(H,20,21,22)