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

1PENTAERYTHRITOL PROPOXYLATE
2PENTAERYTHRITOL PROPOXYLATE (5/4 PO/OH)
3PENTAERYTHRITOL PROPOXYLATE (17/8 PO/OH)
4(2S)-1-[3-{[(2R)-2-HYDROXYPROPYL]OXY}-2,2-BIS({[(2R)-2-HYDROXYPROPYL]OXY}METHYL)PROPOXY]PROPAN-2-OL