"15109633"^^; "Lebsack AD, Gunzner J, Wang B, Pracitto R, Schaffhauser H, Santini A, Aiyar J, Bezverkov R, Munoz B, Liu W, Venkatraman S.: Identification and synthesis of [1,2,4]triazolo[3,4-a]phthalazine derivatives as high-affinity ligands to the alpha 2 delta-1 subunit of voltage gated calcium channel. Bioorg Med Chem Lett, Volume 14 (10), 2004"^^; ; "10.1016/j.bmcl.2004.03.008"^^ .