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