1.Introduction	1911
2. Biological activity	1915
2.1. Anticonvulsant Activity	1915
2.2. Antidepressant Activity	1916
2.3. Analgesic, Antiinflammatory and Antiplatelet Activity	1916
2.4. Antimalarial Activity	1918
2.5. Antimicrobial Activity	1919
2.6. Antimycobacterial Activity	1922
2.7. Antitumoral Activity	1929
2.8. Vasodilator Activity	1933
2.9. Antiviral Activity	1933
3.0. Schistosomiasis	1933
3. Review articles related with hydrazones	1934