InChI=1S/C24H28O8S/c1-14-5-9-20-23(2,3)22(26)19(32-33(27,28)29)12-24(20,4)17(14)13-30-16-8-6-15-7-10-21(25)31-18(15)11-16/h5-8,10-11,17,19-20H,9,12-13H2,1-4H3,(H,27,28,29)