- Novrad
Novrad is an anti-cough agent, whose
enantiomer ,Darvon , is apainkiller .
Wikimedia Foundation. 2010.
Novrad is an anti-cough agent, whose
Wikimedia Foundation. 2010.
Levopropoxyphene — IUPAC name (1R,2S) 1 benzyl 3 (dimethylamino) 2 methyl 1 phenylpropyl propionate … Wikipedia