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