InChI=1S/C27H30O18S/c28-6-12-17(31)21(35)24(38)27(44-12)16-20(34)15-11(43-25(16)8-1-3-9(29)4-2-8)5-10(30)14(19(15)33)26-23(37)22(36)18(32)13(45-26)7-42-46(39,40)41/h1-5,12-13,17-18,21-24,26-33,35-38H,6-7H2,(H,39,40,41)