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

1S-ADENOSYL-L-HOMOCYSTEINE
2S-(5'-ADENOSYL)-L-HOMOCYSTEINE
3S-(5'-DEOXYADENOSIN-5'-YL)-L-HOMOCYSTEINE
4ADOHCY
5S-[1-(ADENIN-9-YL)-1,5-DIDEOXY-BETA-D-RIBOFURANOS-5-YL]-L-HOMOCYSTEINE
6S-ADENOSYLHOMOCYSTEINE