A 4H-3,1-benzoxazin-4-one compound of general formula (I), salts thereof, and pharmaceutical composition containing the same as the active ingredient. They have a protease inhibiting effect, particularly a selective inhibiting effect on a human leukocyte elastase and are excellent in water solubility and residence in the tissue.
一种通式(I)的 4H-3,1-苯并恶嗪-4-酮化合物、其盐类以及以其为活性成分的药物组合物。它们具有
蛋白酶抑制作用,特别是对人类白细胞
弹性蛋白酶的选择性抑制作用,并且具有良好的
水溶性和在组织中的驻留性。