InChI=1S/C22H22NO9S/c1-28-18-4-3-13-7-17-15-9-20-19(30-12-31-20)8-14(15)5-6-23(17,10-16(13)22(18)29-2)21(24)11-32-33(25,26)27/h3-4,7-9H,5-6,10-12H2,1-2H3,(H,25,26,27)