资料来源 : Webster's Revised Unabridged Dictionary (1913)

Piperidine \Pi*per"i*dine\, n. (Chem.)
   An oily liquid alkaloid, {C5H11N}, having a hot, peppery,
   ammoniacal odor. It is related to pyridine, and is obtained
   by the decomposition of piperine.