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Boc-(s)-3-amino-4-(2-thienyl)butanoic acid

Pyrazolo[1,5-a]pyridine

Pyrazolo[1,5-a]pyridine-2-carbohydrazide

Pyrazolo[1,5-a]pyridine-2-carbothioamide

Boc-(s)-3-amino-4-(3-thienyl)butanoic acid

Pyrazolo[1,5-a]pyridine-3-carbonyl chloride

Pyrazolo[1,5-a]pyridine-3-carbothioamide

Pyrazolo[1,5-a]pyridine-3-carboxylic acid hydrazide

Pyrazolo[1,5-a]pyridine-7-carbaldehyde

Pyrazolo[1,5-a]pyridine-7-carboxylic acid