Be aware of (R)-methamphetamine: negative immunoassay versus positive confirmation analysis - Liut J, Madea B, Kramer M, Maas-Gramlich A.

The amphetamine-type stimulant methamphetamine exists in two enantiomeric forms, (S)-methamphetamine and (R)-methamphetamine, which are both psychoactive but with the (S)-enantiomer being more potent than the (R)-enantiomer. Illicit methamphetamine encount...
Source: SafetyLit - Category: International Medicine & Public Health Tags: Alcohol and Other Drugs Source Type: news