| Harmonized Tariff Schedule | ||||||
|---|---|---|---|---|---|---|
| HTS No | Stat Suffix | Description | Unit of Quantity | Rates of Duty | ||
| 1 | 2 | |||||
| General | Special | |||||
| 2930 | X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS, AND SULFONAMIDES | |||||
| 2932 | Heterocyclic compounds with oxygen hetero-atom(s) only: | |||||
| 2933 | Heterocyclic compounds with nitrogen hetero-atom(s) only: | |||||
| 2934 | Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: | |||||