4,10-anhydro[N-[[2-(2-methyl-1-oxopropyl)-1,3-thiazol4-yl]carbonyl]-L-leucyl-D-α-glutamyl-L-valyl-L-lysylD-ornithyl-L-isoleucyl-D-phenylalanyl-L-histidyl-D-αaspartyl-L-asparagine] (bacitracin I2) ;