InChI=1S/C42H30O12S/c43-22-7-1-19(2-8-22)40-37-28-13-24(45)16-31-34(28)38(41(51-31)20-3-9-23(44)10-4-20)29-14-25(46)18-33-36(29)39(30-15-26(47)17-32(52-40)35(30)37)42(53-33)21-5-11-27(12-6-21)54-55(48,49)50/h1-18,37-47H,(H,48,49,50)