What is "cotarnine"

Cotarnine \Co*tar"nine\ (k?-t?r"n?n or -n?n), n. [F., fr. narcotine, by transposition of letters.] (Chem.) A white, crystalline substance, C12H13NO3, obtained as a product of the decomposition of narcotine. It has weak basic properties, and is usually regarded as an alkaloid.

n. (context organic compound English) A white crystalline substance, C₁₂H₁₃NO₃, obtained from decomposition of narcotine.