InChI=1S/C25H28O17S/c1-36-10-5-13-17(18(27)11-4-9(26)2-3-12(11)39-13)14(6-10)40-25-23(32)21(30)19(28)15(41-25)7-37-24-22(31)20(29)16(8-38-24)42-43(33,34)35/h2-6,15-16,19-26,28-32H,7-8H2,1H3,(H,33,34,35)