002991: InChI=1.12Beta/C19H23NO/c21-19(17-10-4-1-5-11-17,18-12-6-2-7-13-18)16-20-14-8-3-9-15-20/h1-2H,3H2,4-7H,8-9H2,10-13H,14-16H2,21H