A compound represented by formula (I): ##STR1## wherein all symbols are defined in the specification, or an acid addition salt thereof or a hydrate thereof; a process for preparing the same; and a nitrogen monoxide synthase inhibitor comprising the same as an active ingredient.
化合物的
化学式为(I): ##
STR1## 其中所有符号均在规范中定义,或其酸加盐或
水合物; 一种制备该化合物的方法;以该化合物作为活性成分的一种
一氧化氮合酶
抑制剂。