preferred_name: 1',3'-bis-[1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-glycerol + H2O => 1'-[1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-3'-[1-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-glycerol + (9Z,12Z)-octadecadienoate + H(+)