preferred_name: 1-octadecanoyl-2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-sn-glycero-3-phosphocholine <=> 1-octadecanoyl-sn-glycero-3-phosphoethanolamine + 1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero-3-phosphocholine