InChI=1S/C27H28O16/c28-7-14-17(31)19(33)21(35)24(41-14)16-13(42-27-23(37)20(34)22(36)25(43-27)26(38)39)6-12-15(18(16)32)10(30)5-11(40-12)8-2-1-3-9(29)4-8/h1-6,14,17,19-25,27-29,31-37H,7H2,(H,38,39)