<unk>  (trade name Sedulon) is a sedative drug, structurally related to methyprylon and pyrithyldione.
It was previously marketed by Roche as a cough suppressant available in liquid form.
Piperidione
Thiram
Avacopan
Heptaminol
Tolperisone
Ioxilan
Nicorandil
Biperiden