As of my last knowledge update in October 2023, here’s a summary of the effectiveness of the compounds you mentioned regarding hair loss, along with information on where you may find more information.
### Effectiveness of the Compounds:
1. **RU58841**:
- **Mechanism**: RU58841 is a non-steroidal anti-androgen that works by blocking androgen receptors, particularly the androgen receptor that dihydrotestosterone (DHT) binds to in the scalp.


