InChI=1S/C22H28NO9S/c1-23(22(25)13-32-33(26,27)28)8-7-15-11-20(30-3)18(24)12-16(15)17(23)9-14-5-6-19(29-2)21(10-14)31-4/h5-6,10-12,17,24H,7-9,13H2,1-4H3,(H,26,27,28)