2933Heading

2933 — Heterocyclic compounds with nitrogen hetero-atom(s) only

Hợp chất dị vòng chỉ chứa (các) dị tố ni tơ

Codes under heading 2933

Distinguish from heading:2707Oils and other products of the…2936Provitamins and vitamins…3004Medicaments (excluding goods of…3606Ferro-cerium and other…2923Quaternary ammonium salts and…

Data updated: 11/08/2026 · Found wrong or missing data? Report a data error