2-苯并唑啉酮

3-chloro-1,4-benzoxazin-2-one

N,N-dimethyl-1,3-benzoxazole-2-carboxamide

4-[(2-hydroxyethylamino)methyl]-1,4-benzoxazine-2,3-dione

4-(morpholin-4-ylmethyl)-1,4-benzoxazine-2,3-dione