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

1CATECHOL
22-HYDROXYPHENOL
3BENZENE-1,2-DIOL
4PYROCATECHIN
5ALPHA-HYDROXYPHENOL
6O-HYDROXYPHENOL
7PYROCATECHOL
81,2-DIHYDROXYBENZENE
91,2-BENZENEDIOL
10BRENZCATECHIN
11O-BENZENEDIOL