9H-fluoren-9-ylmethyl (S)-4-benzyl-5-oxo-1,3-oxazolidine-3-carboxylate

N-甲基-L-苯丙氨酸

氯甲酸-9-芴基甲酯

N-methyl-N-nosyl-L-phenylalanine phenacyl ester

甲醛