LSZ , or lysergic acid 2,4-dimethylazetidide, is a psychedelic drug of the lysergamide family related to LSD.

LSZ may also refer to:

• LSZ reduction formula, a method used in quantum field theory and named after Harry Lehmann, Kurt Symanzik, and Wolfhart Zimmermann
• Lošinj Airport, a privately owned public airport in Lošinj, Croatia
• Life Science Zurich, a joint division of the University of Zürich and ETH Zürich in Zürich, Switzerland
• A prefix used for investigational drugs such as the selective estrogen receptor degrader (LSZ-102)
• Law Society of Zimbabwe, a law association in Zimbabwe
• .lsz, a file extension associated with the LiteStep Theme Installer
• Sailrite Ultrafeed LSZ-1, a portable zigzag stitch machine for sailmaking

This disambiguation page lists articles associated with the title LSZ.
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