<jats:title>Abstract</jats:title> <jats:p>The structure of 1-O-(13-methyl-1-Z-tetradecenyl)-2-O-(13-m ethyltetradecanoyl)-glycero- 3-phospho-ethanolamine isolated from Myxococcus stipitatus has been elucidated. <jats:sup>1</jats:sup>H and <jats:sup>13</jats:sup>C NMR as well as mass spectral data have been accumulated which allow a ready identification and structure elucidation of compounds of this type.