ArticleForensic toxicology2023
Identification of LSD analogs, 1cP-AL-LAD, 1cP-MIPLA, 1V-LSD and LSZ in sheet products.
Article in Forensic toxicology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Interpol review of forensic drug chemistry, 2022-2025.Forensic science international. Synergy · 2026Review
- Article
- Comparative stability assessment of novel LSD analogs in dry blood spots and blood using UHPLC-MS/MS: implications for forensic applications.Forensic toxicology · 2026Article
- Psychedelic Drug Checking: Analytical and Strategic Challenges in Harm Reduction for Classic Psychedelics.Current topics in behavioral neurosciences · 2026Review
- Analytical and Pharmacological Characterization of 1-(Furan-2-Carbonyl)-LSD (1F-LSD) and Comparison With 1-(Thiophene-2-Carbonyl)-LSD (1T-LSD).Drug testing and analysis · 2025Article
- Article
- Forensic Aspects of Designer LSD Analogs Identification by GC-MS (EI) and UV Spectroscopy.Molecules (Basel, Switzerland) · 2024Article
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4 authors.
Funding
Abstract
purposeMany analogs of lysergic acid diethylamide (LSD) have recently appeared as designer drugs around the world. These compounds are mainly distributed as sheet products. In this study, we identified three more newly distributed LSD analogs from paper sheet products.
methodsThe structures of the compounds were determined by gas chromatography-mass spectrometry (GC-MS), liquid chromatography-photodiode array-mass spectrometry (LC-PDA-MS), liquid chromatography with hybrid quadrupole time-of-flight mass spectrometry (LC-Q-TOF-MS) and nuclear magnetic resonance (NMR) spectroscopy.
resultsFrom the NMR analysis, the compounds in the four products were identified as 4-(cyclopropanecarbonyl)-N,N-diethyl-7-(prop-2-en-1-yl)-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide (1cP-AL-LAD), 4-(cyclopropanecarbonyl)-N-methyl-N-isopropyl-7-methyl-4,6,6a,7,8,9-hexahydroindolo-[4,3-fg]quinoline-9-carboxamide (1cP-MIPLA), N,N-diethyl-7-methyl-4-pentanoyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide (1V-LSD) and (2'S,4'S)-lysergic acid 2,4-dimethylazetidide (LSZ). In comparison with the structure of LSD, 1cP-AL-LAD was converted at the positions at N1 and N6, and 1cP-MIPLA was converted at the positions at N1 and N18. The metabolic pathways and biological activities of 1cP-AL-LAD and 1cP-MIPLA have not been reported.
conclusionsThis is the first report showing that LSD analogs that were converted at multiple positions have been detected in sheet products in Japan. There are concerns about the future distribution of sheet drug products containing new LSD analogs. Therefore, the continuous monitoring for newly detected compounds in sheet products is important.
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