Ketamine : NMDA receptor antagonist that is usually used in anesthesia in humans and animals. Often delivered as an infusion or intramuscularly, or as a cream or gel (often in combination with other analgesics), Ketamine is
NMDA receptor antagonists ketamine and PCP have direct effects on the dopamine D(2) and serotonin 5-HT(2)receptors-implications for models of schiz... - PubMed - NCBI
Halothane (brandname Fluothane). Alkyl halide. General anesthetic. Inhaled. Start/maintain anaesthesia. Doesn't increase saliva, best when difficult to intubate. Not recommended for C-section. Replaced by sevoflurane & n/a commercially in US. Activates GABA(A) and glycine receptors. NMDA receptor antagonist, inhibits nACh and voltage-gated sodium channels, and activates 5-HT3 and twin-pore K+ channels.