InChI=1S/C28H30O16/c1-40-23-14(25-18(34)16(32)15(31)12(8-29)42-25)22-13(10(30)7-11(41-22)9-5-3-2-4-6-9)24(21(23)37)43-28-20(36)17(33)19(35)26(44-28)27(38)39/h2-7,12,15-20,25-26,28-29,31-37H,8H2,1H3,(H,38,39)