InChI=1S/C17H19N5O/c18-8-13-11-22(6-7-23-13)16-14(12-4-2-1-3-5-12)9-19-17-15(16)10-20-21-17/h1-5,9-10,13H,6-8,11,18H2,(H,19,20,21)/t13-/m0/s1