InChI=1/C16H16N4/c17-15-14-13(11-5-2-1-3-6-11)9-20(12-7-4-8-12)16(14)19-10-18-15/h1-3,5-6,9-10,12H,4,7-8H2,(H2,17,18,19)/f/h17H2 C997A509BDBC9678