Synonyms: B-Norandrost-4-en-3-one,17-hydroxy-, (17b)-;B-Norandrost-4-en-3-one, 17b-hydroxy- (6CI,7CI,8CI); B-Norandrost-4-en-17b-ol-3-one; B-Nortestosterone;Cyclopenta[a]fluoren-8(1H)-one,2,3,3a,4,5,5a,5b,6,7,10,10a,10b-dodecahydro-3-hydroxy-3a,5b-dimethyl-, [3S-(3a,3aa,5ab,5ba,10aa,10bb)]-; NSC 67834; SKF 15586