115815-47-9 117515-23-8 135962-85-5 144334-23-6 155180-45-3 178327-05-4 4-Benzyl hydrogen N-(tert-butoxycarbonyl)-L-aspartate 7536-58-5 98482-77-0 Aspartic acid, N-carboxy-, 4-benzyl N-tert-butyl ester, L- EINECS 231-406-8 L-Aspartic acid, N-((1,1-dimethylethoxy)carbonyl)-, 4-(phenylmethyl) ester N-((1,1-Dimethylethoxy)carbonyl)-L-aspartic acid, 4-(phenylmethyl) ester N-tert-Butoxycarbonyl-L-aspartic acid 4-benzyl ester N-tert-Butoxycarbonyl-L-aspartic acid beta-benzyl ester NSC 118538 t-Butyloxycarbonylaspartic acid alpha-benzyl ester