InChI=1S/C27H28O14/c1-8(2)6-11(28)14-9(3)21-23(19(33)22(14)37-5)39-26(36)15-10(4)20(12(29)7-13(15)38-21)40-27-18(32)16(30)17(31)24(41-27)25(34)35/h6-7,16-18,24,27,29-33H,1-5H3,(H,34,35)