InChI=1/C16H19N3O/c20-16(18-12-6-7-12)11-5-8-15-14(9-11)17-10-19(15)13-3-1-2-4-13/h5,8-10,12-13H,1-4,6-7H2,(H,18,20)/f/h18H 690F114C6908720C