Use
amphetamines: A group of syntheticstimulants, with structuresbased in phenyl amines. Amphetamineitself has the formulaC6H5CH2CH(NH2)CH3.Methamphetamine has a methylgroup on the amino group, i.e.C6H5CH2CH(NHCH2)CH2.The hydrochloride of methamphetaminecan be crystallized giving a particularlypowerful form known as‘ice’ or crystal meth. Other examplesof amphetamines are ecstasy andmescaline. In the UK, amphetaminesare class B controlled substances(or class A if prepared forinjection).