Other examples are methylphenidate and, for example, amphetamine.

其他例子是哌醋甲酯， 例如苯丙胺。

For more than six months Americans have been struggling to get their hands on medications like dextroamphetamine (better known as Adderall) and methylphenidate (Ritalin).

六个多月以来， 美国人一直在努力获得右旋苯丙胺（俗称阿得拉）和哌醋甲酯（利他林）等药物。