PC(16:0/18:4(6Z,9Z,12Z,15Z))
1-hexadecanoyl-2-[(6Z,9Z,12Z,15Z)-octadecatetraenoyl]-sn-glycero-3-phosphocholine is a phosphatidylcholine 34:4 in which the acyl groups specified at positions 1 and 2 are hexadecanoyl and (6Z,9Z,12Z,15Z)-octadecatetraenoyl respectively. It is functionally related to a hexadecanoic acid and an all-cis-octadeca-6,9,12,15-tetraenoic acid.