1) Dissociative drug 
Dieticyclidine (PCDE), or diethylphenylcyclohexylamine, is a psychoactive drug and research chemical of the arylcyclohexylamine chemical class related to phencyclidine (PCP) and eticyclidine (PCE). It acts as an NMDA receptor antagonist but has low potency and acts mainly as a prodrug for eticyclidine. == See also == ...