| abstract |
To suppress tumor necrosis factor alpha (TNF-α) -induced necrosis, neurodegenerative diseases of the central or peripheral nervous system, retinal neuronal cell death, cardiac cell death, immune system cell death As a result, provision of a compound effective in the treatment of symptoms such as stroke and liver disease. A hetero 5-membered ring compound having a structure represented by formula (VI-A) or formula (VI-B). [Selection figure] None |