InChI=1S/C23H32O4/c1-15(2)8-6-9-16(3)10-7-11-17(4)12-13-19-20(24)14-18(5)21(22(19)25)23(26)27/h8,10,12,14,24-25H,6-7,9,11,13H2,1-5H3,(H,26,27)