2916: Unsaturatd acycl monocarboxylc aci, cyclic monocarboxylic aci & deriv

291611: Acrylic acid and its salts 291612: Acrylic acid esters 291613: Methacrylic acid and its salts 291614: Methacrylic acid esters 291615: oleic, linoleic or linolenic acids, their salts and esters 291619: Unsaturated acyclic monocarboxylic acids and their derivatives, nes 291620: Cyclanic, cyclenic/cycloterpenic mono carboxylic acids & thr derivati 291631: Benzoic acid, its salts and esters 291632: Benzoyl peroxide and benzoyl chloride 291634: Phenylacetic Acid And Its Salts 291635: Esters of Phenylacetic Acid 291639: Aromatic monocarboxylic acids and their derivatives, nes 2916: Unsaturatd acycl monocarboxylc aci, cyclic monocarboxylic aci & deriv