000275: InChI=1.12Beta/C20H24N2O2/c23-19(17-11-5-3-6-12-17)21-15-9-1-2-10-16-22-20(24)18-13-7-4-8-14-18/h1-2H2,3-8H,9-10H2,11-14H,15-16H2,(H,21,23)(H,22,24)