A compound having the formula ##STR1## in which R.sub.1 is an aminoalkyl group and ##STR2## is an acyl group and salts thereof having high antibiotic activity and being substantially free of lytic activity are described.
描述了具有公式##STR1##的化合物,其中R.sub.1是
氨基烷基基团,##STR2##是酰基团,以及具有高抗生素活性且基本不具有溶解活性的盐。