Analytical profile of N-ethyl-N-cyclopropyl lysergamide (ECPLA), an isomer of lysergic acid 2,4-dimethylazetidide (LSZ) Posted on February 3, 2022 By Becky Carter Simon D. Brandt, Pierce V. Kavanagh, Folker Westphal, Alexander Stratford, Simon P. Elliott, Geraldine Dowling, Adam L. Halberstadt Drug Test Anal; 12(10); 2020 Access article Chemistry, Seized Drugs/Controlled Substances, Toxicology