InChI=1S/C23H28O5/c1-12-5-15(25)7-17(26)19(12)21(27)28-18-10-23(4)16-9-22(2,3)8-13(16)6-14(11-24)20(18)23/h5-7,11,13,16,18,20,25-26H,8-10H2,1-4H3