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