1-palmitoyl-2-octadecadienoyl-sn-glycero-3-phosphocholine
1-palmitoyl-2-octadecadienoyl-sn-glycero-3-phosphocholine
A 1,2-diacyl-<em>sn</em>-glycero-3-phosphocholine in which the 1-acyl group is specified as palmitoyl while the acyl group (R) at position 2 is octadecadienoyl with the two double bonds at unspecified positions.