291811 Lactic Acid, Its Salts and Esters
291812 Tartaric Acid
291813 Salts and Esters of Tartaric Acid
291814 Citric Acid
291815 Salts and Esters of Citric Acid
291816 Gluconic Acid, Its Salts and Esters
291817 Phenylglycolic Acid (Mandelic Acid), Its Salts and Esters
291819 Other Carboxylic Acids With Alcohol Function, Their Anhydrides, Halides
291821 Salicylic Acid, Its Salts
291822 O-acetylsalicylic Acid, Its Salts and Esters
291823 Other Esters of Salicylic Acid and Their Salts
291829 Other Carboxylic Acids With Phenol Function, Their Anhydrides, Halides
291830 Carboxylic Acids With Aldehyde or Ketone Function, Their Anhydrides
291890 Other Carboxylic Acids With Oxygen Function, Their Anhydrides, Halides
