Wiktionary
nupharamine
n. (context organic compound English) Any of a group of sesquiterpenoid piperidine alkaloids found in (taxlink Nuphar japonica species noshow=1) and castoreum.
Wikipedia
Nupharamine
Nupharamine is an alkaloid found in Nuphar japonica and in castoreum.
Nuphar japonica contains nupharamine, and methyl and ethyl esters of nupharamine.