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

1QUINOLIN-8-OL
28-HYDROXY-CHINOLIN
3OXYQUINOLINE
48-QUINOL
58-OQ
68-HYDROXYQUINOLINE
78-QUINOLINOL
81-AZANAPHTHALENE-8-OL
98-CHINOLINOL