Acids; carboxylic acid with additional oxygen function and their anhydrides, halides, peroxides, peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives

291811 Acids; carboxylic acids, (with alcohol function but without other oxygen function), lactic acid, its salts and esters 291812 Acids; carboxylic acids, (with alcohol function but without other oxygen function), tartaric acid 291813 Acids; carboxylic acids, (with alcohol function but without other oxygen function); salts and esters of tartaric acid 291814 Acids; carboxylic acids, (with alcohol function but without other oxygen function), citric acid 291815 Acids; carboxylic acids, (with alcohol function but without other oxygen function), salts and esters of citric acid 291816 Acids; carboxylic acids, (with alcohol function but without other oxygen function), gluconic acid, its salts and esters 291817 Acids; carboxylic acids, (with alcohol function but without other oxygen function), 2,2-Diphenyl-2-hydroxyacetic acid (benzilic acid) 291818 Acids; carboxylic acids, (with alcohol function but without other oxygen function), chlorobenzilate (ISO) 291819 Acids; carboxylic acids, (with alcohol function but without other oxygen function), other than lactic, tartaric, citric, and gluconic acids and their salts and esters 291821 Acids; carboxylic acids, (with phenol function but without other oxygen function), salicylic acid and its salts 291822 Acids; carboxylic acids, (with phenol function but without other oxygen function), o-acetylsalicylic acid, its salts and esters 291823 Acids; carboxylic acids, (with phenol function but without other oxygen function), other esters of salicylic acid and its salts n.e.c. in item no. 2918.2 291829 Acids; carboxylic acids, (with phenol function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives, n.e.c. in item no. 2918.2 291830 Acids; carboxylic acids, (with aldehyde or ketone function but without other oxygen function), their anhydrides, halides, peroxides, peroxyacids and their derivatives 291891 Acids; carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone) and their anhydrides, halides, peroxides and peroxyacids; 2,4,5-T (ISO) (2,4,5-trichlorophenoxyacetic acid), its salts and esters 291899 Acids; carboxylic acids, with additional oxygen function (not alcohol, phenol, aldehyde or ketone) and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives; other than 2,4,5-T (ISO)