Courtney et al (2005) Furanyl-1,3-thiazol-2-yl and benzoxazol-5-yl acetic acid derivates: novel classes of heparanse inhibitor. Bioorg.Med.Chem.Letts. 15 2295. McKenzie (2007) Heparanase: a target for drug discovery in cancer and inflammation. Br.J.Pharmacol. 151 1.