InChI=1/C18H19N3O2/c1-3-4-8-23-17-14(10-19-18-15(17)11-20-21-18)16(22)13-7-5-6-12(2)9-13/h5-7,9-11H,3-4,8H2,1-2H3,(H,19,20,21)/f/h20H 933F1B5CCF1BAA97