InChI=1S/C25H28O5/c1-14(2)10-12-17-22(27)20-21(26)16-8-7-9-19(28-5)24(16)30-25(20)18(23(17)29-6)13-11-15(3)4/h7-11,27H,12-13H2,1-6H3