InChI=1S/C22H22NO9S/c1-12(24)23-9-16-13(4-5-18(28-2)22(16)29-3)6-17(23)14-7-19-20(31-11-30-19)8-15(14)21(10-23)32-33(25,26)27/h4-8,21H,9-11H2,1-3H3,(H,25,26,27)