InChI=1/C13H14N4O2/c1-7-11-8(3-2-4-9(11)18)15-12(7)13(19)16-10-5-6-14-17-10/h5-6,15H,2-4H2,1H3,(H2,14,16,17,19)/f/h14,16H B80054FD70DE9FCF