(1S)-3-[(2S,3R)-2-(4-{[tert-butyl(dimethyl)silyl]oxy}phenyl)-1-(4-{3-[(methylsulfonyl)amino]prop-1-yn-1-yl}phenyl)-4-oxoazetidin-3-yl]-1-(4-fluorophenyl)propyl acetate (HCID 68976809)|Huagongshe