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