InChI=1/C15H19N5O/c16-12-2-1-3-13(10-12)18-15(21)4-6-19-8-9-20-7-5-17-14(20)11-19/h1-3,5,7,10H,4,6,8-9,11,16H2,(H,18,21)/p+1/fC15H20N5O/h17-18H/q+1 9C7CBEE369EFDD9D