(E)-2,3-Dibromo-2-butenedioic acid is one of brominated haloacids, which are the drinking water disinfection byproducts (DBPs)[1].
References
[1] Krasner SW, et, al. Occurrence of a new generation of disinfection byproducts. Environ Sci Technol. 2006 Dec 1; 40(23): 7175-85. DOI:10.1021/es060353j