InChI=1S/C26H28O19S/c27-4-12-17(32)21(36)23(38)26(44-12)15-19(34)14-10(31)3-11(6-1-8(29)9(30)2-7(6)28)43-24(14)16(20(15)35)25-22(37)18(33)13(5-42-25)45-46(39,40)41/h1-3,12-13,17-18,21-23,25-30,32-38H,4-5H2,(H,39,40,41)