205442-81-5 47689-67-8 54784-65-5 L-Tyrosine, N-((1,1-dimethylethoxy)carbonyl)-, (2-bromophenyl)methyl carbonate (ester) N-((1,1-Dimethylethoxy)carbonyl)-L-tyrosine, (2-bromophenyl) methylcarbonate (ester)