Harmonized System

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Section XV > Chapter 73 > Heading 7304

Section XVI > Chapter 84 > Heading 8456

Section XV > Chapter 81 > Heading 8104

Section VI > Chapter 28 > Heading 2805

Section XVI > Chapter 84 > Heading 8432

Section XI > Chapter 57 > Heading 5702

Section VI > Chapter 29 > Heading 2932

Section VI > Chapter 29 > Heading 2930

Section VI > Chapter 29 > Heading 2914

Explanatory notes

… phenyl, etc.). Ketones may have two tautomeric forms, the true ketonic form (-CO-) and the enolic form (=C(OH)-), both …

Section XVI > Chapter 85 > Heading 8531