InChI=1/C18H19N3O2/c1-3-4-9-23-17-14(10-19-18-15(17)11-20-21-18)16(22)13-8-6-5-7-12(13)2/h5-8,10-11H,3-4,9H2,1-2H3,(H,19,20,21)/f/h20H AD4E0B368ECDBE11