Title: 4,4'-Bipyridine-2-(carb-oxy-methyl-sulfan-yl)pyridine-3-carb-oxy-lic acid (1/1).
Journal: Acta crystallographica. Section E, Structure reports online 20101201
Title: 2-(Carboxy-methyl-sulfan-yl)pyridine-3-carboxylic acid monohydrate.
Journal: Acta crystallographica. Section E, Structure reports online 20100601
Title: Microsphere-based protease assays and screening application for lethal factor and factor Xa.
Journal: Cytometry. Part A : the journal of the International Society for Analytical Cytology 20060501