| abstract |
Formula (I) (The symbols in the formula are as described in the specification.) And a non-toxic salt thereof. The compound of the formula (I) has a cysteine protease inhibitory activity, and is used for inflammatory diseases, diseases caused by apoptosis, diseases caused by abnormal immune response, autoimmune diseases, diseases caused by degradation of biological constituent proteins, shock, and circulatory system abnormalities. , Blood coagulation system abnormalities, malignant tumors, acquired immunodeficiency syndrome (AIDS) and AIDS-related diseases (ARC), parasitic diseases, neurodegenerative diseases, lung disorders, bone resorbable diseases, endocrine hyperproliferative diseases, etc. It is useful as a prophylactic and / or therapeutic agent. |