|Chemical and physical data|
|Molar mass||271.397 g/mol g·mol−1|
|3D model (JSmol)|
Nepinalone is a cough suppressant. Its brand names include Placatus, Tussolvina, and Nepitus.
The effect is evident after 20–30 minutes after administration and persists for at least 4 hours. It acts primarily at the level of the CNS, but also shows a slight activity in inhibiting the bronchospasm. In such use, it is less effective than codeine and more effective than dextromethorphan in inhibiting the tussive stimulus. 
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