Synonyms: 3,5-Cyclo-5a-pregnan-20-one, 6b-hydroxy- (6CI);3,5-Cyclopregnan-20-one, 6-hydroxy-, (3b,5a,6b)-; 3a,5-Cyclo-5a-pregnan-20-one, 6b-hydroxy- (7CI,8CI);Cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalene,3,5-cyclopregnan-20-one deriv.; 3a,5-Cyclo-5a-pregnan-6b-ol-20-one; 6b-Hydroxy-3a,5a-cyclopregnan-20-one; Neurosterone