5-acetyl-4-hydroxy-2-methoxy-2H-1,4-benzoxazin-3(4H)-one

methyl 2-methoxy-2-(3-acetyl-2-nitrophenoxy)acetate

2-苯并唑啉酮

1,9-diacetyl-2-amino-3H-phenoxazin-3-one

1-(2-amino-3-hydroxy-phenyl)-ethanone, hydrochloride