InChI=1S/C28H23NO12S/c1-28(2)27(41-42(34,35)36)26(21-18(40-28)8-4-12-5-9-19(32)38-24(12)21)39-25-16(30)7-6-14-22(25)29-15-10-13(37-3)11-17(31)20(15)23(14)33/h4-11,26-27,30-31H,1-3H3,(H,29,33)(H,34,35,36)