1-(9H-Fluoren-9-ylmethyl) N-((1,1-dimethylethoxy)carbonyl)-L-aspartate 129046-87-3 BA-beta-Fme L-Aspartic acid, N-((1,1-dimethylethoxy)carbonyl)-, 1-(9H-fluoren-9-ylmethyl) ester N-alpha-tert-Butyloxycarbonylaspartic acid beta-fluorenylmethyl ester Nalpha-Boc-asp-beta-fluorenylmethyl ester