InChI=1/C14H16N6O/c1-4-20-8(3)10(6-17-20)12-9(5-15)13(16)21-14-11(12)7(2)18-19-14/h6,12,14H,4,16H2,1-3H3/t12-,14+/m0/s1 A06FC7C7126A3F1B