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

1ZINC(2+)
2ZN(2+)
3ZINC(II) CATION
4ZINC, ION (ZN2+)
5ZINC ION
6ZINC(2+) ION
7ZN2+
8ZINC CATION
9ZN(II)