InChI=1/C19H23NO3/c21-19(20-22)10-6-1-2-7-15-23-18-13-11-17(12-14-18)16-8-4-3-5-9-16/h3-5,8-9,11-14,22H,1-2,6-7,10,15H2,(H,20,21)/f/h20H BE74B35B753133E6