InChI=1/C14H20N4O/c1-10-13(11(2)19)8-12(9-15)14(17-10)16-6-5-7-18(3)4/h8H,5-7H2,1-4H3,(H,16,17)/p+1/fC14H21N4O/h16,18H/q+1 CB61438ED422350B