2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-phenylprop-2-enoic acid

苯丙氨酰-苯丙氨酸甲酯盐酸盐

(E)-(S)-4-tert-butoxycarbonylamino-5-phenyl-pent-2-enoic acid methyl ester

(3S,2S)-3-amino-2-hydroxy-4-phenylbutyric acid methyl ester