InChI=1/C14H18N4O2/c1-19-6-7-20-12-4-2-10(3-5-12)8-11-9-17-14(16)18-13(11)15/h2-5,9H,6-8H2,1H3,(H4,15,16,17,18)/f/h15-16H2 B19BD3FE0ED3DB87