Promegestone |
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| Aventis Brand of Promegestone; R-5020; R5020; RU-5020; RU5020; Surgestone; R 5020; RU 5020 | |
| A synthetic progestin which is useful for the study of progestin distribution and progestin tissue receptors, as it is not bound by transcortin and binds to progesterone receptors with a higher association constant than progesterone. | |