InChI=1/C15H22N4O/c1-3-18-7-9-19(10-8-18)15-16-11(2)14-12(17-15)5-4-6-13(14)20/h3-10H2,1-2H3/p+1/fC15H23N4O/h18H/q+1 5A2FEAE3798780EA