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单词 isonicotinic acid
释义 iso·nicotinic acid
\| ̷ ̷ ̷ ̷+...-\ noun
Etymology: isonicotinic International Scientific Vocabulary is- + nicotinic
: a crystalline acid C5H5NCOOH made usually by oxidation of the corresponding picoline or ethyl-pyridine and used chiefly in making isoniazid; 4-pyridine-carboxylic acid
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