3- and 4-methoxyphencyclidine (3-MeO-PCP, 4-MeO-PCP), structural analogs of phencyclidine (PCP), were among the first legal PCP alternatives to show up on the novel psychoactive substances (NPS) market in Europe in the 2000s. Their structural similarities to PCP and ketamine likely contribute to their demonstrated dissociative anesthetic effects. Limited information exists in the literature...