93963-19-0
L-Phenylalanine, N-(2-carboxybenzoyl)-4-nitro-, α-ethyl ester
→
74743-23-0
L-3-(4-氨基苯基)-2-邻苯二甲酰亚氨基丙酸乙酯
17451-67-1
ethyl 2-(1,3-dioxoisoindol-2-yl)-3-(4-nitrophenyl)propanoate