InChI=1S/C27H28O16/c1-39-22-14(23-17(33)15(31)11(30)7-40-23)21-13(10(29)6-12(41-21)8-2-4-9(28)5-3-8)24(20(22)36)42-27-19(35)16(32)18(34)25(43-27)26(37)38/h2-6,11,15-19,23,25,27-28,30-36H,7H2,1H3,(H,37,38)