InChI=1S/2C22H24O9.2C22H22O8/c2*1-27-16-4-10(5-17(28-2)21(16)29-3)18-11-6-14-15(31-9-30-14)7-12(11)20(24)13(8-23)19(18)22(25)26;2*1-25-16-4-10(5-17(26-2)21(16)27-3)18-11-6-14-15(30-9-29-14)7-12(11)20(23)13-8-28-22(24)19(13)18/h2*4-7,13,18-20,23-24H,8-9H2,1-3H3,(H,25,26);2*4-7,13,18-20,23H,8-9H2,1-3H3