InChI=1/C13H16N4O3/c1-7(2)12(19)14-6-11(18)15-8-3-4-9-10(5-8)17-13(20)16-9/h3-5,7H,6H2,1-2H3,(H,14,19)(H,15,18)(H2,16,17,20)/f/h14-17H F5BD8C500F7F9A6B