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Collidine :: Collidine (n.) One of a class of organic bases, C8H11N, usually pungent oily liquids, belonging to the pyridine series, and obtained from bone oil, coal tar, naphtha, and certain alkaloids..

Pyridine :: Pyridine (n.) A nitrogenous base, C5H5N, obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colorless liquid with a peculiar pungent odor. It is the nucleus of a large number of organic substances, among which several vegetable alkaloids, as nicotine and certain of the ptomaines, may be mentioned. See Lutidine..

Igasurine :: Igasurine (n.) An alkaloid found in nux vomica, and extracted as a white crystalline substance..

Corrovaline :: Corrovaline (n.) A poisonous alkaloid extracted from corroval, and characterized by its immediate action in paralyzing the heart..

Opianine :: Opianine (n.) An alkaloid found in small quantity in opium. It is identical with narcotine.

Narcotine :: Narcotine (n.) An alkaloid found in opium, and extracted as a white crystalline substance, tasteless and less poisonous than morphine; -- called also narcotia..

Veratralbine :: Veratralbine (n.) A yellowish amorphous alkaloid extracted from the rootstock of Veratrum album.

Ricinine :: Ricinine (n.) A bitter white crystalline alkaloid extracted from the seeds of the castor-oil plant.

Quinogen :: Quinogen (n.) A hypothetical radical of quinine and related alkaloids.

Erythrophleine :: Erythrophleine (n.) A white crystalline alkaloid, extracted from sassy bark (Erythrophleum Guineense)..

Apomorphine :: Apomorphine (n.) A crystalline alkaloid obtained from morphia. It is a powerful emetic.

Duboisine :: Duboisine (n.) An alkaloid obtained from the leaves of an Australian tree (Duboisia myoporoides), and regarded as identical with hyoscyamine. It produces dilation of the pupil of the eye..

Jamaicine :: "Jamaicine (n.) An alkaloid said to be contained in the bark of Geoffroya inermis, a leguminous tree growing in Jamaica and Surinam; -- called also jamacina..

Ergotine :: Ergotine () A powerful astringent alkaloid extracted from ergot as a brown, amorphous, bitter substance. It is used to produce contraction of the uterus..

Thebaine :: Thebaine (n.) A poisonous alkaloid, C19H21NO3, found in opium in small quantities, having a sharp, astringent taste, and a tetanic action resembling that of strychnine..

Kairine :: Kairine (n.) A pale buff or white crystalline alkaloid derived from quinoline, and used as an antipyretic in medicine..

Guaranine :: Guaranine (n.) An alkaloid extracted from guarana. Same as Caffeine.

Buxine :: Buxine (n.) An alkaloid obtained from the Buxus sempervirens, or common box tree. It is identical with bebeerine; -- called also buxina..

Solanicine :: Solanicine (n.) An alkaloid produced by the action of hydrochloric acid on solanidine, as a tasteless yellow crystalline substance..

Cinchonine :: Cinchonine (n.) One of the quinine group of alkaloids isomeric with and resembling cinchonidine; -- called also cinchonia.

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