Harmonized System
Section VI > Chapter 29 > Heading 2924 > 2924.2 > 2924.21
… Ureines and their derivatives; salts thereof …
Section VI > Chapter 29 > Heading 2925 > 2925.1
… Imides and their derivatives; salts thereof …
Section VI > Chapter 29 > Heading 2925 > 2925.2
… Imines and their derivatives; salts thereof …
Section VI > Chapter 28 > Heading 2818 > 2818.20
… Aluminium oxide, other than artificial corundum …
Section VI > Chapter 29 > Heading 2912 > 2912.1
… Acyclic aldehydes without other oxygen function …
Section VI > Chapter 29 > Heading 2912 > 2912.2
… Cyclic aldehydes without other oxygen function …
Section VI > Chapter 29 > Heading 2914 > 2914.1
… Acyclic ketones without other oxygen function …
Section VI > Chapter 29 > Heading 2914 > 2914.7
… Halogenated, sulphonated, nitrated or nitrosated derivatives …
Section VI > Chapter 29 > Heading 2918 > 2918.1 > 2918.11
… Lactic acid, its salts and esters …