Wiktionary
biperiden
n. An antiparkinsonian agent of the anticholinergic type.
Wikipedia
Biperiden
Biperiden, sold under the brandname Akineton among others, is a medication used to treat Parkinson disease. It is of the anticholinergic type. It is on the WHO Model List of Essential Medicines, the most important medications needed in a basic health system. It is available as a generic medication.