Are there alternatives to 6-Bromo-4-hydroxy-3-quinolinecarboxylic acid (CAS: 98948-95-9) in synthesis?

There are several alternatives to 6-Bromo-4-hydroxy-3-quinolinecarboxylic acid (CAS: 98948-95-9) in synthesis, including 5-bromo-3-hydroxy-4-quinolinecarboxylic acid and 4-chloro-3-hydroxy-5-quinolinecarboxylic acid. These compounds can be used as substitutes based on the specific needs of the synthesis process. Common alternative reagents include bromine and hydroxyl compounds, which can be used to modify quinoline derivatives.