N~5~-(diaminomethylidene)-L-ornithyl-L-lysyl-L-alpha-aspartyl-L-valyl-L-tyrosyl-L-alpha-glutamyl-L-alpha-glutamyl-L-alanyl-N~5~-(diaminomethylidene)-L-ornithyl-L-asparagine [ 123167-51-1 ]