The name/synonym for ligand D4T (curated from ChEBI, PubChem, and PDB databases):

12',3'-DEHYDRO-2',3'-DEOXY-THYMIDINE 5'-TRIPHOSPHATE
2DIHYDROXY(OXO)PHOSPHANIUM
3 HYDROXY-[[(2S,5R)-5-(5-METHYL-2,4-DIOXOPYRIMIDIN-1-YL)-2,5-DIHYDROFURAN-2-YL]METHOXY]-OXOPHOSPHANIUM
4 PHOSPHORIC ACID