0 0 0 0 2918.29 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) 0 0 0