Novel 2-amino-4H-3,1-benzoxazin-4-ones represented by the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and X are defined herein are useful as enzyme inhibitors in animals.
新型2-
氨基-4H-3,1-苯并
噁唑-4-酮,其
化学式为##STR1## 其中R.sup.1,R.sup.2,R.sup.3和X的定义如本文所述,在动物中作为酶
抑制剂是有用的。