4-羟基-2H-1,4-苯并噁嗪-3(4h)-酮

4-甲基-3,4-二氢-2H-苯并[b][1,4]噁嗪

2-[(2-nitrophenoxy)methyl]-3,1-benzoxazin-4-one

2-(2-aminophenoxy)acetic acid

2-(2-benzamidophenoxy)acetic acid