2937.23.10.
| Heading/ Subheading |
Stat Suffix | Article Description | Unit of Quantity | General (column 1) | Special (column 1) | Column 2 |
|---|---|---|---|---|---|---|
| 2937 | Hormones, prostaglandins,thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structuralanalogues thereof, including chain modified polypeptides, used primarily as hormones: | n/a | n/a | n/a | n/a | |
| 2937 23 | Estrogens and progestins: | n/a | n/a | n/a | n/a | |
| 2937 23 10 | Obtained directly or indirectly from animal or vegetable materials | n/a | Free | n/a | 25% |