InChI=1S/C23H24O5/c1-12(2)5-7-14-16(24)9-10-18-20(14)23(27)21-19(28-18)11-17(25)15(22(21)26)8-6-13(3)4/h5-6,9-11,24-26H,7-8H2,1-4H3