|Systematic (IUPAC) name|
|Mol. mass||237.725 g/mol|
| (what is this?)
Esketamine or (S)-ketamine (brand: Ketanest S) is a general anaesthetic of the dissociative class by way of the central nervous system and has its mode of action as an NMDA receptor antagonist. It is the (S)-enantiomer of ketamine, which is the more active constituent chirality out of the dual (RS) mixed/racemic chiral variety in which ketamine is most often prepared.
See also 
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