InChI=1S/C22H34O3/c1-4-5-6-7-8-9-10-11-12-13-20(23)16-14-19-15-17-21(24-2)22(18-19)25-3/h12-13,15,17-18H,4-11,14,16H2,1-3H3/b13-12+