| abstract |
(57) [Summary] [Constitution] General formula (I) (In the formula, R represents a C1-4 alkyl group.), An acid addition salt thereof, or a hydrate thereof. [Effect] The compound represented by the general formula (I) and salts thereof have an NOS inhibitory action, and are effective for shock, hypotension, It is useful for treating and / or preventing rheumatoid arthritis, ulcerative colitis, ischemic encephalopathy, tumors, insulin-dependent diabetes mellitus and the like. |