InChI=1S/C26H30O5/c1-14(2)6-8-16-10-18-19-13-30-23-11-20(27)17(9-7-15(3)4)25(28)24(23)26(19)31-22(18)12-21(16)29-5/h6-7,10-12,19,26-28H,8-9,13H2,1-5H3