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Section VI — Products of the chemical or allied industries

Chapter 29 — Organic chemicals

Heading 2939 — Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives.

National subdivision 2939.5 — Theophylline and aminophylline (theophyllineethylenediamine) and their derivatives; salts thereof:

Subheading

2939.59 Other

Common commodities
Theophylline anhydrous powder for asthma medicationAminophylline tablets for bronchial dilatorsPharmaceutical grade theophylline ethylenediamineRespiratory stimulant theophylline anhydrous crystalsMedicinal aminophylline ethylenediamine solutionTheophylline anhydrous inhalation powder for respiratory issuesAminophylline encapsulated pellets for medicationPharmaceutical intermediates: Theophylline anhydrousAminophylline ethylenediamine for bronchodilator productionTheophylline anhydrous powder in pharmaceutical vials

HS codes