InChI=1S/C29H25NO12S/c1-29(2)28(42-43(34,35)36)27(22-18(41-29)8-5-13-6-10-20(32)39-25(13)22)40-26-19(38-4)9-7-15-23(26)30-16-11-14(37-3)12-17(31)21(16)24(15)33/h5-12,27-28,31H,1-4H3,(H,30,33)(H,34,35,36)