1-acyl-2-hexadecanoyl-sn-glycero-3-phosphocholine
1-acyl-2-hexadecanoyl-sn-glycero-3-phosphocholine
A 1,2-diacyl-<em>sn</em>-glycero-3-phosphocholine where the acyl group at position 1 is unspecified while the acyl group at position 2 is palmitoyl.