l'anneau benzénique

L'hexachlorobenzène (HCB) (No CAS 118-74-1) est un composé aromatique monocyclique chloré dans lequel les atomes d'hydrogène de l'anneau benzénique sont entièrement remplacés par des atomes de chlore.
Hexachlorobenzene (HCB) (CAS no. 118-74-1) is a chlorinated monocyclic aromatic compound in which the benzene ring is fully substituted by chlorine.
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