A quinazolinone derivative of the formula: ##STR1## wherein R.sup.1 is hydrogen atom or a halogen atom, or a salt thereof and processes for preparing the same are disclosed. The quinazolinone derivative (I) is useful for treatment of diabetic complications.
公开了一种公式为:##STR1##的
喹唑啉酮衍
生物,其中R.sup.1是氢原子或卤原子,或其盐,并公开了制备该衍
生物的方法。
喹唑啉酮衍
生物(I)可用于治疗糖尿病并发症。