N-carbobenzyloxy-L-aspartic acid anhydride, N-benzyloxycarbonyl-L-aspartic acid anhydride, N-Cbz-L-Aspartic anhydride, N-Carbobenzyloxy-L-aspartic anhydride, benzyloxycarbonyl-L-aspartic anhydride, carbobenzoxy-L-aspartic acid anhydride, N-benzyloxycarbonyl-L-aspartic anhydride, N-Z-L-aspartic anhydride