4-acetoxy-(2H)-1,4-benzoxazin-3(4H)-one

chloro-acetic acid-(2,5-dihydroxy-anilide)

2H-1,4-苯并噁嗪-3(4H)-酮

(3-oxo-4H-1,4-benzoxazin-6-yl) acetate

ethyl 2-(2-nitrophenoxy)acetate