The name/synonym for ligand 3PE (curated from ChEBI, PubChem, and PDB databases):

1PHOSPHATIDYLETHANOLAMINE
21,2-DIACYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE
3PHOSPHATIDYLETHANOLAMINES
4PHOSPHATIDYL(AMINO)ETHANOLS
5CEPHALIN
6(3-PHOSPHATIDYL)ETHANOLAMINE
7(3-PHOSPHATIDYL)-ETHANOLAMINE
8O-(1-BETA-ACYL-2-ACYL-SN-GLYCERO-3-PHOSPHO)ETHANOLAMINE
91-ACYL-2-ACYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE
103-SN-PHOSPHATIDYLETHANOLAMINE