3alpha hydroxy 11alpha,19 epoxypregn 4 ene 20 one 3alpha hydroxy 1alpha,11alpha epoxy 5alpha pregnan 20 one 2 3alpha hydroxy 1alpha,11alpha epoxypregn 4 ene 20 one 2 3alpha hydroxy 1beta,11alpha epoxy 5alpha pregnan 20 one 2 3alpha hydroxy 2alpha,19 epoxy 5alpha pregnan 20 one 2 3alpha hydroxy 4alpha,19 epoxy 5alpha pregnan 20 one 2 3alpha hydroxy 5alpha pregnan 20 one 2 3alpha hydroxy 6,19 epoxypregn 4 ene 20 one 2 3β-HSD 2 4 aminobutyric acid A receptor 2 Animals 2 Cerebellum 2 Dose-Response Relationship, Drug 2 Hippocampus 2 Hypothalamus 2 Hypoxia 2 Male 2 Neuroprotective Agents 2 Neurosteroids 2 Organ Culture Techniques 2 Oxygen 2 Protein Binding 2 Rats 2 Rats, Sprague-Dawley 2 Receptors, GABA-A 2 Steroids 2 animal experiment 2 animal tissue 2 article 2 astrocytosis 2