苯甲醇

(2S,4S)-2-(1,1-dimethylethyl)-4-(2-methylpropyl)-5-oxo-3-oxazolidinecarboxylic acid phenylmethyl ester

benzyl (S)-2-(tertbutyl)-4-methylene-5-oxooxazolidine-3-carboxylate

L-亮氨醇

(S)-(-)-2-isocyanato-4-methylvaleric acid methyl ester