001761: InChI=1.12Beta/C20H23NO2/c1-3-21(4-2)13-20(23)16-8-7-14-5-6-15-9-10-17(22)12-19(15)18(14)11-16/h1-2H3,3-4H2,5-12H,13H2,20H,22-23H/t20-/m0/s1