InChI=1/C15H16N4O2/c1-10(20)19-8-12-13(9-19)17-18-15(12)16-14(21)7-11-5-3-2-4-6-11/h2-6H,7-9H2,1H3,(H2,16,17,18,21)/f/h16,18H	D47D1EF0E6D23D6B