InChI=1S/C22H32O3/c1-2-21(23)19-17-15-13-11-9-7-5-3-4-6-8-10-12-14-16-18-20-22(24)25/h3-4,7-10,13-17,19,21,23H,2,5-6,11-12,18,20H2,1H3,(H,24,25)/b4-3-,9-7-,10-8-,15-13+,16-14-,19-17+