InChI=1/C15H19N5O/c1-19-7-9-20(10-8-19)15-13(21-2)11-17-14(18-15)12-5-3-4-6-16-12/h3-6,11H,7-10H2,1-2H3/p+1/fC15H20N5O/h19H/q+1 B115A86F6CC94E64