3-[(S)-4-Carboxy-2-({5-[2-((S)-2-cyclobutylcarbamoyl-pyrrolidin-1-yl)-2-oxo-ethoxy]-1-phenyl-1H-pyrazole-3-carbonyl}-amino)-butyrylamino]-pyrrolidine-1-carboxylic acid butyl ester (HCID 44128982)|Huagongshe