Goeta, A. E., Thompson, L. K., Sheppard, C. L., Tandon, S. S., Lehmann, C. W., Cosier, J., et al. (1999).
[Cu2{1,4-bis[(3-methyl-2-pyridyl)amino]phthalazine-H}(N3)3] at 40K.
Acta Crystallographica, Section C: Crystal Structure Communications, 55(Part
8), 1243-1246. doi:10.1107/S0108270199005648.