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

1HEXANOYL-COA(4-)
2HEXANOYL-COA
33'-PHOSPHONATOADENOSINE 5'-(3-{(3R)-3-HYDROXY-4-[(3-{[2-(HEXANOYLSULFANYL)ETHYL]AMINO}-3-OXOPROPYL)AMINO]-2,2-DIMETHYL-4-OXOBUTYL} DIPHOSPHATE)
4CAPROYL-COA(4-)
5HEXANOYL-COENZYME A