Synonyms: Cyclo(ala-lys-ala-glu) hydrochloride;Cyclo(L-alanyl-L-lysyl-L-alanyl-L-glutamyl) hydrochloride;Cyclic (L-alanyl-L-alpha-glutamyl-L-alanyl-L-lysyl), monohydrochloride;Cyclic(L-alanyl-L-alpha-glutamyl-L-alanyl-L-lysyl), monohydrochloride;AC1MIAPL;LS-55804;3-[(2S,5S,8S,11S)-8-(4-aminobutyl)-5,11-dimethyl-3,6,9,12-tetraoxo-1,4,7,10-tetrazacyclododec-2-yl]propanoic acid hydrochloride;53665-78-4