Ketamine is characterized by a few rings: an aryl ring, a cyclohexyl ring, and an amine ring (Figure 1). The cyclohexane ring will likely be intact as it is required for antagonism of your NMDA receptor. ACHs are chiral; the asymmetric carbon from the C2 place has two optical isomers. Ketamine is promoted being a racemate (i.The ACH derivatives’