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