1-octadecanoyl-2-octadecenoyl-sn-glycero-3-phosphocholine
1-octadecanoyl-2-octadecenoyl-sn-glycero-3-phosphocholine
A phosphatidylcholine 36:1 in which the acyl groups aspecified at positions 1 and 2 are octadecanoyl and octadecenoyl (double bond at unspecified position) respectively.