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

1CALCIDIOL
225-HYDROXYVITAMIN D3
3(3S,5Z,7E)-9,10-SECOCHOLESTA-5,7,10(19)-TRIENE-3,25-DIOL
4(5Z,7E)-(3S)-9,10-SECOCHOLESTA-5,7,10(19)-TRIENE-3,25-DIOL
525(OH)D3
6(3S,5Z,7E)-9,10-SECOCHOLESTA-5,7,10-TRIENE-3,25-DIOL
725-HYDROXYCHOLECALCIFEROL
8(3BETA,5Z,7E)-9,10-SECOCHOLESTA-5,7,10(19)-TRIENE-3,25-DIOL
9CALCIFEDIOL
10CALCIFEDIOL ANHYDROUS
113-{2-[1-(5-HYDROXY-1,5-DIMETHYL-HEXYL)-7A-METHYL-OCTAHYDRO-INDEN-4-YLIDENE]-ETHYLIDENE}-4-METHYLENE-CYCLOHEXANOL