benzyl (1,2,3,4-tetrahydro-2,5-dioxo-1,3-oxazol-4-yl)acetate, (4S)-2,5-Dioxooxazolidine-4-acetic acid benzyl ester, (4S)-4-(Benzyloxycarbonylmethyl)oxazolidine-2,5-dione, L-aspartic acid 4-benzyl ester N-carboxyanhydride, (S)-2,5-Dioxo-4-oxazolidineacetic acid phenylmethyl ester, 2-[(4S)-2,5-Dioxooxazolidine-4-yl]acetic acid benzyl ester, Asp(obzl)-NCA, (4S)-4-[2-(Benzyloxy)-2-oxoethyl]oxazolidine-2,5-dione, a-Benzyl-L-aspartic acid N-carboxyanhydride, H-ASP(OBZL)-NCA, 3-(Benzyloxycarbonyl)-N-carboxy-L-alanine anhydride, Einecs 237-026-9