Tanaproget (INN; developmental code names NSP-989, WAY-166989) is an investigational nonsteroidal progestin. It is a high affinity, high efficacy, and very selective agonist of the progesterone receptor (PR).
The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.