3-‘1-(4-fluoro-phenyl)-2-(4-hydroxy-phenyl)-4-oxo-azetidin-3-yl“- propionic acid-4-{1-(4-fluoro-phenyl)-3-‘3-(4-fluoro-phenyl)-3-hydroxy-propyl“-4-oxo-azetidin-2-yl}-phenyl ester

720.73