InChI=1S/C22H34O4/c1-15-13-17(25-16(2)23)18-19(3,4)7-6-8-20(18,5)22(15)10-9-21(26-22)11-12-24-14-21/h11-12,15,17-18H,6-10,13-14H2,1-5H3