This invention provides compounds as described herein or pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising a compound as described herein or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable excipient, methods of modulating the androgen receptor using the compounds or compositions described herein, methods of treating diseases beneficially treated by an androgen receptor modulator (e.g., sarcopenia, prostate cancer, contraception, type 2 diabetes related disorders or diseases, anemia, depression, and renal disease) using the compounds and compositions described herein and processes for making compounds described herein and intermediates useful in the preparation of same.