InChI=1S/C22H34O5/c1-14(13-23)6-5-7-15(2)16-10-11-22(3,26)18(16)12-17-19(24)8-9-20(27-4)21(17)25/h6,10,15,18,20,23,25-26H,5,7-9,11-13H2,1-4H3/b14-6+