- Thiophene series
- Carbazole series
- Furan series
- Oxazole series
- Thiazole series
- Imidazole series
- Polycyclic series
- Anthracene series
- Phenanthrene series
- Fluorene series
- Benzene series
- Biphenyl series
- Naphthalene series
- Quinoline series
- Other aromatic ring series
- riazine series
- Pyrimidine series
- Pyridine series
- Indole series
- Terminal series
- Other heterocyclic series
- Deuterated series
- Ligand series