4,10-anhydro[N-[[2-[(2S)-2-methyl-1-oxobutyl]-1,3- thiazol-4-yl]carbonyl]-L-leucyl-D-α-glutamyl-L-valyl-Llysyl-D-ornithyl-L-isoleucyl-D-phenylalanyl-L-histidyl-D-αaspartyl-L-asparagine] (bacitracin H3) ;