Specimens were extracted by ether and derived with trifluoroacetic,and the level of MDMA in tissues and blood of rats was determined with gas chromatography/mass spectrumetry(GC/MS).

• 运用乙醚萃取衍生化法和气/质联用技术(GC/MS),对大鼠体内各组织和血液中的MDMA进行定性定量分析。