(2S,3R)-3-hydroxy-2-(4-(4-morpholin-4-ylmethylphenylethynyl)benzoylamino)butyric acid methyl ester

吗啉

4-碘苯甲酸甲酯

methyl 4-(2-trimethylsilylethynyl)benzoate

4-乙炔基苯甲酸钠