InChI=1S/C27H18O20S/c28-3-7(30)17(33)22(47-48(41,42)43)8-2-4-10(26(39)44-8)11(18(34)20(36)15(4)31)12-14-13-9-5(25(38)45-24(13)21(37)19(12)35)1-6(29)16(32)23(9)46-27(14)40/h1-2,7,17,22,28-37H,3H2,(H,41,42,43)