Section 06 Products of the chemical or allied 29 Organic chemicals 29 18 Carboxylic acids with oxygen function, etc, their...derivatives 29 18 29 Carboxylic acids with phenol function, without oxygen function... nes Commodity Code Description 29 18 29 00 Carboxylic acids with phenol function, without oxygen function... nes 29 18 29 10 Alkyl sulphonic ester of phenol 29 18 29 90 Other