Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 18 Carboxylic acids with additional oxygen function and their ... derivatives 29 18 22 O-Acetylsalicylic acid, its salts and esters 29 18 22 00 O-Acetylsalicylic acid, its salts and esters Commodity Code Description 29 18 22 00 000 O-Acetylsalicylic acid, its salts and esters
