InChI=1S/C23H32O3/c1-2-20-19-21(20)15-13-14-17-22(24)16-11-9-7-5-3-4-6-8-10-12-18-23(25)26/h3-4,7-11,13-14,16,19-20,22,24H,2,5-6,12,15,17-18H2,1H3,(H,25,26)/b4-3-,9-7+,10-8-,14-13-,16-11+