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