InChI=1S/C14H18O9S/c1-8(7-23-24(19,20)21)3-4-9-11(15)6-12(16)10(5-13(17)18)14(9)22-2/h3,6,15-16H,4-5,7H2,1-2H3,(H,17,18)(H,19,20,21)