InChI=1/C13H19N3O2/c1-9-2-5-11(13(14)15-18)12(8-9)16(6-7-17)10-3-4-10/h2,5,8,10,17-18H,3-4,6-7H2,1H3,(H2,14,15)/f/h14H2/b15-13- CBFF9E3F1F5E1754