InChI=1S/C26H28O18S/c27-7-14-17(31)20(34)24(43-25-21(35)18(32)15(8-39-25)44-45(36,37)38)26(41-14)42-23-19(33)16-12(30)5-11(29)6-13(16)40-22(23)9-1-3-10(28)4-2-9/h1-6,14-15,17-18,20-21,24-32,34-35H,7-8H2,(H,36,37,38)