| 摘要 |
The present invention provides a novel compound exhibiting an excellent suppressing effect to cell injury causedby radicals and neurotoxicity induced by excitatory nuerotransmitters such as glutamate. Specifically, it provides a compound represented by the following formula, a salt thereof or a hydrate of them. <CHEM> Wherein Z represents a bivalent organic group and the like of from 2 to 3 carbon atom(s) which may have a substituent; and R<3> represents a carboxyl group and the like. <IMAGE> |
