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

1FAD
2RIBOFLAVIN 5'-ADENOSINE DIPHOSPHATE
3ADENOSINE 5'-(TRIHYDROGEN PYROPHOSPHATE), 5'-5'-ESTER WITH RIBOFLAVINE
4RIBOFLAVIN 5'-(TRIHYDROGEN DIPHOSPHATE), 5'-5'-ESTER WITH ADENOSINE
5ADENOSINE 5'-[3-(RIBOFLAVIN-5'-YL) DIHYDROGEN DIPHOSPHATE]
6ADENOSINE 5'-(3-{D-RIBO-5-[7,8-DIMETHYL-2,4-DIOXO-3,4-DIHYDROBENZO[G]PTERIDIN-10(2H)-YL]-2,3,4-TRIHYDROXYPENTYL} DIHYDROGEN DIPHOSPHATE)
7FLAVIN ADENINE DINUCLEOTIDE
8FLAVIN-ADENINE DINUCLEOTIDE