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