InChI=1/C16H17N5O/c1-16(2,3)13-12-11(9-5-4-6-19-8-9)10(7-17)14(18)22-15(12)21-20-13/h4-6,8,11H,18H2,1-3H3,(H,20,21)/t11-/m0/s1/f/h21H FB23BCA427AFF85A