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2,3-Pyrazinedicarboxylic acid

Pyrazinoic acid hydrazide

Pyrazole-4-boronic acid pinacol ester

5-Pyrazolecarboxylic acid

1,9-Pyrazoloanthrone

Pyrazolo[1,5-a]pyridine-2-carboxylic acid

4-(1H-Pyrazol-1-yl)aniline

2-Pyrazol-1-yl-benzaldehyde

4-Pyrazol-1-yl-benzaldehyde

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