Formic acid, its salts and esters

29163 Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives

29173 Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives

29181 Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives

29121 Acyclic aldehydes without other oxygen function

29122 Cyclic aldehydes without other oxygen function

29124 Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function

29141 Acyclic ketones without other oxygen function

29142 Cyclanic, cyclenic or cycloterpenic ketones without other oxygen function

29143 Aromatic ketones without other oxygen function

29146 Quinones

29147 Halogenated, sulphonated, nitrated or nitrosated derivatives

29151 Formic acid, its salts and esters

29152 Acetic acid and its salts; acetic anhydride

29153 Esters of acetic acid

29161 Unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives

29182 Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives

29189 Other

29171 Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives