InChI=1S/C20H35NO2/c1-13-4-5-17-16(11-21)18(7-9-19(13,17)2)20(3)8-6-15(23)10-14(20)12-22/h14-18,22-23H,1,4-12,21H2,2-3H3/t14-,15+,16+,17+,18+,19-,20+/m1/s1