PC(18:3(6Z,9Z,12Z)/24:1(15Z))
1-[(6Z,9Z,12Z)-octadecatrienoyl]-2-[(15Z)-tetracosenoyl]-sn-glycero-3-phosphocholine is a phosphatidylcholine 42:4 in which the acyl groups specified at positions 1 and 2 are (6Z,9Z,12Z)-octadecatrienoyl and (15Z)-tetracosenoyl respectively. It is functionally related to a gamma-linolenic acid and a (15Z)-tetracosenoic acid.