preferred_name: 1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + 1'-[1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-3'-[1-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-glycerol => 1-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholine + 1',3'-bis-[1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-glycerol