1. Pyrrole: Preparations, reactions and therapeutic applications2. Thiophene: Preparations, reactions and therapeutic applications 3. Furan: Preparations, reactions and therapeutic applications 4. Imidazole: Preparations, reactions and therapeutic applications 5. Pyrazole: Preparations, reactions and therapeutic applications 6. Pyridine: Preparations, reactions and therapeutic applications 7. Piperazine: Preparations, reactions and therapeutic applications 8. Pyrimidine: Preparations, reactions and therapeutic applications 9. Purine: Preparations, reactions and therapeutic applications 10. Indole: Preparations, reactions and therapeutic applications 11. Benzimidazole: Preparations, reactions and therapeutic applications applications 12. Quinoline: Preparations, reactions and therapeutic applications