InChI=1/C15H19N5O/c16-15(18-8-4-7-13-10-17-11-19-13)20-14(21)9-12-5-2-1-3-6-12/h1-3,5-6,10-11H,4,7-9H2,(H,17,19)(H3,16,18,20,21)/p+1/fC15H20N5O/h17-19H,16H2/q+1 F4CDA0B959AB8A21