InChI=1/C15H19N5O2/c1-9-5-7-10(8-6-9)12(21)18-20-14-16-13(22)11(17-19-14)15(2,3)4/h5-8H,1-4H3,(H,18,21)(H2,16,19,20,22)/p-1/fC15H18N5O2/h18,20H/q-1 FEAC0C65FA0A31AB