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Pyrazolo[1,5-a]pyridine-7-carbonitrile Pyrazolo[1,5-a]pyrimidine-3-boronic acid pinacol ester PYRAZOLO[1,5-A]PYRIDINE-7-CARBOXYLIC ACID PYRAZOLO[1,5-A]PYRIDINE-3-CARBOXYLIC ACID HYDRAZIDE pyrazolo[1,5-a]pyridin-5-ylMethanol H-pyrazolo[1,5-a]pyridine-4-carboxylic acid METHYL PYRAZOLO[1,5-A]PYRIDINE-3-CARBOXYLATE PYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXYLIC ACID PYRAZOLO[1,5-A]PYRIDINE-7-CARBALDEHYDE PYRAZOLO[1,5-A]PYRIDINE-2-CARBOXYLIC ACID ETHYL ESTER