InChI=1/C16H16N4O2/c1-3-21-11-6-4-5-10(7-11)14-12(8-17)15(18)22-16-13(14)9(2)19-20-16/h4-7,14,16H,3,18H2,1-2H3/t14-,16-/m1/s1 FE305DA8583A2E3A