InChI=1/C14H16N4O3/c1-14(2,3)11-12(19)16-13(18-17-11)15-8-4-5-9-10(6-8)21-7-20-9/h4-6H,7H2,1-3H3,(H2,15,16,18,19)/f/h15,18H A7DAC8227ED206A3