(1R，2S)-2-[(7-oxo-5-phenyl-1H-pyrazolo[1，5-a]pyrimidine-3-carbonyl)amino]cyclohexane-1-carboxylic acid

(1R，2S)-2-[(7-oxo-5-phenyl-1H-pyrazolo[1，5-a]pyrimidine-3-carbonyl)amino]cyclohexane-1-carboxylic acid ≥98%