InChI=1/C16H16N6O/c1-23-12-7-5-11(6-8-12)19-20-14-15(17)21-22-9-10-3-2-4-13(10)18-16(14)22/h5-9H,2-4H2,1H3,(H2,17,21)/f/h17H2 1423A6FB976AD3FD