Wiktionary
noscapine
n. (context biochemistry English) A benzylisoquinoline alkaloid obtained from plants of the ''Papaveraceae'' family, primarily used for its antitussive effects.
Wikipedia
Noscapine
Noscapine (also known as Narcotine, Nectodon, Nospen, Anarcotine and (archaic) Opiane) is a benzylisoquinoline alkaloid from plants of the poppy family, without painkilling properties. This agent is primarily used for its antitussive (cough-suppressing) effects.