preferred_name: 1-O-(13-methyltetradecyl)-2-(13-methyltetradecanoyl)-sn-glycero-3-phosphoethanolamine + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = 1-O-(1Z-13-methyltetradecenyl)-2-(13-methyltetradecanoyl)-sn-glycero-3-phosphoethanolamine + 2 Fe(III)-[cytochrome b5] + 2 H2O