equal mixture
even combination
"Methamphetamine" properly refers to a specific chemical, the racemic free base, which is an equal mixture of levomethamphetamine and dextromethamphetamine in their pure amine forms.
"Methamphetamine" properly refers to a specific chemical, the racemic free base, which is an even combination of levomethamphetamine and dextromethamphetamine in their pure amine forms.