pyr·i·dine /ˈpɪrəˌdin/
比啶[治喘病藥]
pyr·i·dine /ˈpɪrəˌdɪn/ 名詞
嗶啶,氮(雜)苯
Pyr·i·dine n. Physiol. Chem. 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 ptomaïnes, may be mentioned. See Lutidine.
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pyridine
n : a toxic colorless flammable liquid organic base with a
disagreeable odor; usually derived from coal