3d image of renanolone skeletal formula

renanolone 11-ketopregnanolone synthetic neuroactive steroid anesthetic isomers alfaxolone alfadolone positive allosteric modulator gabaa receptor anesthesia muscle relaxation analgesia analgesic pain relief neurotransmitter agonist neuromodulatory nervous system brain stress appetite memory signaling neuroscience neuronal ion channels cell surface receptors neurotransmission modulators 3d steroidal synthetic semisynthetic medication side effect adverse action iatrogenic overdose contraindications interaction formula skeletal