InChI=1/C15H16N2O/c1-2-4-13-6-8-15(9-7-13)18-10-3-5-14-11-16-12-17-14/h6-9,11-12H,3,5,10H2,1H3,(H,16,17)/f/h16H B9B2477AE83C38DE