42575-84-8 L-Histidine, N-(N-((4-(bis(2-chloroethyl)amino)phenyl)acetyl)-DL-leucyl)-, methyl ester, monohydrochloride N-(N-((4-(Bis(2-chloroethyl)amino)phenyl)acetyl)-DL-leucyl)-L-histidine methyl ester, monohydrochloride