Carboxylic acids with alcohol function but without other oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. lactic acid, tartaric acid, citric acid, gluconic acid, cholic acid, 3-alpha, 12-alpha-dihydroxy-5-beta-cholan-24-oic acid "deoxycholic acid" and their salts and esters, and 2,2-bis"hydroxymethyl"propionic acid and chlorobenzilate [ISO] and 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid))

L-Malic acid (CAS RN 97-67-6)

Ethyl 1-hydroxycyclopentanecarboxylate (CAS RN 41248-23-1)

Ethyl 1-hydroxycyclohexanecarboxylate (CAS RN 1127-01-1)

Salicylic acid and its salts (excl. inorganic or organic compounds of mercury)

o-Acetylsalicylic acid, its salts and esters

Esters of salicylic acid and their salts (excl. o-acetylsalicylic acid, its salts and esters)

Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. salicylic acid and o-Acetylsalicylic acid, and their salts and esters)

Monohydroxynaphthoic acids

Propyl 3,4,5-trihydroxybenzoate (CAS RN 121-79-9)

Hexamethylene bis[3-(3,5-di-_tert_-butyl-4-hydroxyphenyl)propionate] (CAS RN 35074-77-2)

Methyl-, ethyl-, propyl - or butyl esters of 4-hydroxybenzoic acid or their sodium salts (CAS RN 35285-68-8, 99-76-3, 5026-62-0, 94-26-8, 94-13-3, 35285-69-9, 120-47-8, 36457-20-2 or 4247-02-3)

3,5-Diiodosalicylic acid (CAS RN 133-91-5)

Carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives

2-fluoro-5-formylbenzoic acid (CAS RN 550363-85-4)