InChI=1/C14H20N4O2/c1-19-6-7-20-12-4-2-10(3-5-12)8-11-9-17-14(16)18-13(11)15/h2-5,11H,6-9H2,1H3,(H4,15,16,17,18)/p+1/t11-/m0/s1/fC14H21N4O2/h16-18H,15H2/q+1 DA2C902F5D5BB7A4