The present invention provides a compound of the Formula (I), or apharmaceutically acceptable salt thereof; pharmaceuticalcompositions comprising a compound of Formula (I) in combination with asuitable carrier, diluent, or excipient; andmethods for treating or preventing physiological disorders, particularlyreduced bone mass, osteoporosis, osteopenia, reducedmuscle mass or strength, or erectile dysfunction comprising administering acompound of Formula (I), or a pharmaceutically acceptablesalt thereof.