Carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives
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 oacetylsalicylic acid, and their salts and esters)
Esters of salicylic acid and their salts (excl. oacetylsalicylic acid, its salts and esters)
Salicylic acid and its salts (excl. inorganic or organic compounds of mercury)