1-(1-(((Benzyloxy)carbonyl)amino)-2,2,2-trifluoroethyl)-N-(tert-butoxycarbonyl)-L-histidine 7682-45-3 EINECS 231-684-0 Histidine, N-carboxy-1-(1-(carboxyamino)-2,2,2-trifluoroethyl)-, benzyl tert-butyl ester Histidine, N-carboxy-1-(1-(carboxyamino)-2,2,2-trifluoroethyl)-, monobenzyl N-tert-butyl ester, L- L-Histidine, N-((1,1-dimethylethoxy)carbonyl)-1-(2,2,2-trifluoro-1-(((phenylmethoxy)carbonyl)amino)ethyl)-