Assertion: amphetamine | /r/UsedFor | refer to specific chemical
Facets:
value: in their pure amine forms
type: OTHER
value: properly
type: MANNER
Source sentences:
text: Amphetamine properly refers to a specific chemical, the racemic free base, which is equal parts of the two enantiomers, levoamphetamine and dextroamphetamine, in their pure amine forms.