InChI=1/C18H19N5O/c19-18(24)22-16-8-4-5-13(9-16)10-20-11-15-12-21-23-17(15)14-6-2-1-3-7-14/h1-9,12,20H,10-11H2,(H,21,23)(H3,19,22,24)/p+1/fC18H20N5O/h20-22H,19H2/q+1 3B566F70136E8430