InChI=1S/C20H32O4/c1-2-3-4-5-10-13-16-19(24-23)17-14-11-8-6-7-9-12-15-18-20(21)22/h6-9,11-12,15,18-19,23H,2-5,10,13-14,16-17H2,1H3,(H,21,22)