(2β,3α,5α)-21-Chloro-3-hydroxy-2-(4-morpholinyl)pregnan-20-one

Positive allosteric modulator and at higher concentrations direct agonist of GABA A receptors (EC 50 = 1.1 μ M). Also displays positive modulation of glycine receptors (EC 50 = 22.9 μ M). Anesthetic steroid; induces hypnosis and loss of righting reflexes in mice.