From: Biodegradation of brominated aromatic hydrocarbons using Pseudomonas bacteria isolated from water and soil of the coastal areas of the Caspian Sea in the territory of Azerbaijan

Figure 4. Chromatographic curves of biodegradation of bromophenol (a) and tetrabromopyrocatechin (b).  a-peaks: 1- 4-bromopyrocatechin, 2- 5-bromopyrogallol, b-peaks: tetrabromomuconic acid