InChI=1S/C22H32O4/c1-2-3-4-5-6-7-9-12-15-18-21(26-25)19-16-13-10-8-11-14-17-20-22(23)24/h3-4,6-7,10-16,19,21,25H,2,5,8-9,17-18,20H2,1H3,(H,23,24)/b4-3-,7-6-,13-10-,14-11-,15-12-,19-16+