Koutaro Hasegawa

9PUBLICATIONS
2CO-AUTHORS
PharmacogenomicsCheminformatics and quantitative structure-activity relationshipsCharacterisation of biological macromoleculesAnalytical spectrometryMedicinal and biomolecular chemistry not elsewhere classified
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Publications (9)

|Sep 28, 2025
A Simple and Sensitive HPLC-MS/MS Method for the Simultaneous Quantitative Analysis and Pharmacokinetic Comparison of Four Imidazole-Derived GABA Receptor Agonists: Etomidate, Metomidate, Propoxate, and Isopropoxate in Mouse Blood.

Yuxuan Chen, Xiaolong Zhang, Liyan Sun

|Jan 18, 2023
The next addiction-causing drug class 4-quinazolinone derivatives: analyses of methaqualone analogs including recently discovered 2-methoxyqualone by different modes of mass spectrometry.

Hongkun Yang, Yue Wang, Jinlei Liu

|Dec 01, 2022
Quantification of MDMB-4en-PINACA and ADB-BUTINACA in human hair by gas chromatography-tandem mass spectrometry.

Yue Wang, Yefei Pan, Hongkun Yang

|Dec 01, 2022
Quantitation of sibutramine in human hair using gas chromatography-isotope dilution tandem mass spectrometry.

Hongkun Yang, Amin Wurita, Jinlei Liu

|May 09, 2022
Non-fentanyl-derived synthetic opioids emerging during recent years.

Koutaro Hasegawa, Kayoko Minakata, Masako Suzuki

|Jun 01, 2017
Identification and quantification of predominant metabolites of synthetic cannabinoid MAB-CHMINACA in an authentic human urine specimen.

Koutaro Hasegawa, Kayoko Minakata, Kunio Gonmori

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Frequent Collaborators

1 joint publications

Yan Shi

1 joint publications

Amin Wurita