2,4-二羟基-2H-1,4-苯并噁嗪-3(4h)-酮

4-羟基-2H-1,4-苯并噁嗪-3(4h)-酮

N-(2-phenylmethoxyphenyl)formamide

4-hydroxy-1,4-benzoxazine-2,3-dione

1-nitro-2-prop-2-enoxybenzene