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5-Isoquinolinecarboxaldehyde

7-Isoquinolinecarboxylic acid

8-Isoquinolinecarboxylic acid

6-Bromocinnoline

8-Bromocinnoline

8-Methylcinnoline

4-Methylcinnoline

6-Methylcinnoline

8-Methylcinnoline

4-Cinnolinecarboxaldehyde