InChI=1S/C27H20O21S/c28-2-5-14(31)23(48-49(42,43)44)24-22(45-5)12-11(27(41)47-24)8(16(33)19(36)18(12)35)7-10(25(38)39)9-6-3(1-4(29)13(30)15(6)32)26(40)46-21(9)20(37)17(7)34/h1,5,14,22-24,28-37H,2H2,(H,38,39)(H,42,43,44)