Methamphetamine. Desoxyephedrine . Desoxyn . Madrine . Metamfetamine . Methamphetamine Hydrochloride . Methylamphetamine . N-Methylamphetamine . Hydrochloride, Methamphetamine . N Methylamphetamine . Deoxyephedrine . A central nervous system stimulant and sympathomimetic with actions and uses similar to DEXTROAMPHETAMINE. The smokable form is a drug of abuse and is referred to as crank, crystal, crystal meth, ice, and speed. . 0.70