rac-2-ethoxy-3-(4-methyl-1H-indol-5-yl)-propionic acid ethyl ester 、 、
4-chloromethyl-2-(4-fluoro-3-methyl-phenyl)-5-methyl-oxazole 以to give rac-2-ethoxy-3-{-[2-(4-fluoro-3-methyl-phenyl)-5-methyl-oxazol-4-ylmethyl]-4-methyl-1H-indol-5-yl}-propionic acid as yellow solid的产率得到rac-2-ethoxy-3-{-[2-(4-fluoro-3-methyl-phenyl)-5-methyl-oxazol-4-ylmnethyl]-4-methyl-1H-indol-5-yl}-propionic acid