005481: InChI=1.12Beta/C20H23NO2/c1-3-21(4-2)18(20(23)17-13-9-6-10-14-17)15-19(22)16-11-7-5-8-12-16/h1-2H3,3-4H2,5-14H,15H2,18H/t18-/m1/s1