Système harmonisé

Afficher la dernière mise à jourTableaux de corrélation
Voir dans la nomenclature
Section VI

PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES

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Chapter 29

Organic chemicals

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Heading 2933

Heterocyclic compounds with nitrogen hetero-atom(s) only.

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2933.5

- Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure :

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