InChI=1S/C20H28O5/c1-10(2)11-8-12-13(21)9-14-19(3,4)6-5-7-20(14,18(24)25)15(12)17(23)16(11)22/h8,10,13-14,21-23H,5-7,9H2,1-4H3,(H,24,25)