InChI=1S/C25H28O5/c1-15(2)5-4-6-16(3)7-9-19-18(11-12-21(27)25(19)29)24-14-22(28)20-10-8-17(26)13-23(20)30-24/h5,7-8,10-13,24,26-27,29H,4,6,9,14H2,1-3H3/b16-7-