There are three distinct chemical compounds which are dichlorobenzenes: == Biodegradation == Rhodococcus phenolicus is a bacterium species able to degrade dichlorobenzene as its sole carbon source. ... Found on http://en.wikipedia.org/wiki/Dichlorobenzene
any of three isomeric substances produced by the chlorination of benzene or chlorobenzene in the presence of iron(III) chloride. All three are ... Found on http://www.britannica.com/eb/a-z/d/45
any of three isomers consisting of benzene in which two of the hydrogen atoms are replaced by chlorine atoms: ortho-, meta-, and paradichlorobenzene. Found on https://www.infoplease.com/dictionary/dichlorobenzene