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 |