2-Fluorobenzonitrile, also known as o-fluorobenzonitrile, is an organic aromatic fluoride. Organic aromatic fluorides are important raw materials and intermediates for the preparation of fluorine-containing physiologically active substances, and are widely used in medicine, pesticides, dyes, etc. In terms of medicine, fluorine-containing compounds have the characteristics of less dosage, strong selectivity and higher efficacy than other compounds; in terms of dyes, the introduction of fluorine atoms makes the dyes bright in color and not easy to fade.

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