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Priority to JP18169983UpriorityCriticalpatent/JPS6088267U/ja
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Publication of JPH0217335Y2publicationCriticalpatent/JPH0217335Y2/ja
Determination of amphetamine, methamphetamine, 3, 4‐methylenedioxyamphetamine, 3, 4‐methylenedioxyethylamphetamine, and 3, 4‐methylenedioxymethamphetamine in urine by online solid‐phase extraction and ion‐pairing liquid chromatography with detection by electrospray tandem mass spectrometry