Synonyms: Octanamide,N-[3-amino-1-[[2-hydroxy-1-[[2-hydroxy-1-[[2,11,14-tris(2-aminoethyl)-8,17-bis(1-hydroxyethyl)-5-isobutyl-3,6,9,12,15,18,23-heptaoxo-1,4,7,10,13,16,19-heptaazacyclotricos-22-yl]carbamoyl]ethyl]carbamoyl]propyl]carbamoyl]propyl]-6-methyl-(7CI); Polymyxin D1 (8CI,9CI); 1,4,7,10,13,16,19-Heptaazacyclotricosane, cyclicpeptide deriv.;N2-(6-Methyl-1-oxooctyl)-L-2,4-diaminobutanoyl-L-threonyl-D-seryl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-D-leucyl-L-threonyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-L-threoninecyclic (10®4)-peptide