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LSZ or Lysergic acid 2,4-dimethylazetetidide(λ, Lambda) is a lysergamide-class psychedelic drug developed as an LSD analog and causes similar effects. The drug was developed in the 2000s as a strong substitute for LSD and was directed by David E. Nichols at Purdue University. LSZ has gained popularity as a designer drug. LSZ has also been shown to be less toxic than LSD and to cause fewer adverse effects.

Structurally, LSZ is similar to lysergic acid with an amine functional group and contains a bicyclic hexahydroindole coupled to a bicyclic quinoline group, this drug is replaced on carbon by a 6 methyl group. The (S,S)-(+) isomer is more active and stronger than LSD.

LSZ is a 5-HT2A receptor agonist.

This drug is too new and has been studied, so there is little data on its toxicological, pharmacological properties and dosage.

LSZ is banned for sale in Denmark, Latvia, Sweden, Switzerland, Turkey, and the United Kingdom.

You can buy LSZ online right now from our manager as a designer drug for chemical research.

  • LSZ
  • LA-SS-Az
  • Diazedine
  • Lambda
  • 2,4-dimethylazetidide
IUPAC (8β)-8-{[(2S,4S)-2,4-Dimethylazetidin-1-yl]carbonyl}-6-methyl-9,10-didehydroergoline
Molecular weight  
Purity 99 %
Restriction Regulated

LSZ and all other drugs sold on this website are intended for research and legal applications. LSZ is a designer drug with obvious physiological and psychoactive effects.

Side effects from LSZ are not known.

Storage conditions: in a cool and dry place. Terms LSZ , can last up to 2 years with proper storage conditions.


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By purchasing chemical studies on you buy a chemical at a wholesale price and get a discount coupon on subsequent purchases on our website.

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