phosphatidylcholine (P-40:3)
phosphatidylcholine (p-40:3)
A 1-<em>O</em>-(alk-1-enyl)-2-<em>O</em>-acyl-<em>sn</em>-glycero-3-phosphocholine in which the unspecified alk-1-enyl and acyl groups at positions 1 and 2 contain 40 carbon atoms in total with 3 additional double bonds in the acyl moiety.