C????n? incorporates a ??m?l?r psychomotor stimulant result to th?t ?f amphetamine and r?l?t?d ??m??und?. It improves transmitter ??n??ntr?t??n? ?n b?th th? n?r?dr?n?rg?? ?nd the d???m?n?rg?? synapse ?nd also ??t? ?? ?n ?n???th?t?? agent. And because dependancy ??n develop ?v?n m?r? r???dl?