Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives
Adipic acid, its salts and esters
Azelaic acid, sebacic acid, their salts and esters
Maleic anhydride
Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. oxalic acid, its salts and esters, adipic acid, its salts and esters, azelaic acid, sebacic acid, their salts and esters, maleic anhydride, and inorganic or organic compounds of mercury)
Oxalic acid, its salts and esters (excl. inorganic or organic compounds of mercury)