InChI=1S/C37H28O15S/c38-20-7-1-17(2-8-20)33-29(52-53(45,46)47)15-24-25(42)16-28-31(34(24)48-33)32-30-26(43)13-23(41)14-27(30)50-37(51-28,19-5-11-22(40)12-6-19)35(32)49-36(44)18-3-9-21(39)10-4-18/h1-14,16,29,32-33,35,38-43H,15H2,(H,45,46,47)