"Smith G, Ruhland T, Mikkelsen G, Andersen K, Christoffersen CT, Alifrangis LH, Mørk A, Wren SP, Harris N, Wyman BM, Brandt G.: The synthesis and SAR of 2-arylsulfanyl-phenyl piperazinyl acetic acids as glyT-1 inhibitors. Bioorg Med Chem Lett, Volume 14 (15), 2004"^^; "15225720"^^; "10.1016/j.bmcl.2004.05.043"^^; .