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nicotidine
From The Collaborative International Dictionary of English v.0.48:
Nicotidine \Ni*cot"i*dine\ (? or ?), n. [Nicotine + pyridine.] (Chem.) A complex, oily, nitrogenous base, isomeric with nicotine, and obtained by the reduction of certain derivatives of the pyridine group. [1913 Webster]

