InChI=1S/C20H29NO2/c1-2-3-4-5-6-7-8-9-10-11-20(23)21-17-16-18-12-14-19(22)15-13-18/h8-15,22H,2-7,16-17H2,1H3,(H,21,23)/b9-8+,11-10+