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6-Chloroindole-2-carboxylic acid

3-Carboxyphenylboronic acid

5-Chloroindole-3-carboxaldehyde

6-Chloroindole-3-carboxaldehyde

2-Carboxyphenylboronic acid

4-Chloroindole-3-carbaldehyde

4-Carboxyphenylboronic acid

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