Comparative analysis of the chemical profiles of 3,4-methylenedioxymethamphetamine based on comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (GC × GC-TOFMS).

Comparative analysis of the chemical profiles of 3,4-methylenedioxymethamphetamine based on comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (GC × GC-TOFMS).