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ChEBI ID: 177917
| Member | Definition | Role |
|---|---|---|
| 17-desoxyestradiol | A 3-hydroxy steroid resulting from deoxygenation at position 17 of estradiol or estrone. | estra-1,3,5(10)-trien-3-ol |
| 2-methoxyestrone | A 17-oxo steroid that is estrone in which the hydrogen at position 2 has been replaced by a methoxy group. | 2-methoxyestrone |
| 4-hydroxyestrone | A 4-hydroxy steroid that is estrone substituted by a hydroxy group at position 4. | 4-hydroxyestrone |
| estradiol 17-sulfate | A steroid sulfate obtained by the formal condensation of sulfuric acid with the 17-hydroxy group of 17beta-estradiol. | 17beta-estradiol 17-sulfate |
| estrone | A 17-oxo steroid that is estra-1,3,5(10)-triene substituted by an hydroxy group at position 3 and an oxo group at position 17. | estrone |
| Timeframe | Studies, Drugs in This Class (%) | All Drugs % |
|---|---|---|
| pre-1990 | 6,011 (61.44) | 18.7374 |
| 1990's | 1,023 (10.46) | 18.2507 |
| 2000's | 1,249 (12.77) | 29.6817 |
| 2010's | 1,111 (11.36) | 24.3611 |
| 2020's | 389 (3.98) | 2.80 |
| Publication Type | Studies, Drugs in This Class (%) | All Drugs (%) |
|---|---|---|
| Trials | 435 (4.18%) | 5.53% |
| Reviews | 282 (2.71%) | 6.00% |
| Case Studies | 114 (1.10%) | 4.05% |
| Observational | 20 (0.19%) | 0.25% |
| Other | 9,554 (91.82%) | 84.16% |