2-[(Z)-(3,4-二羟基苯基)亚甲基]-6-羟基-7-甲氧基苯并呋喃-3(2H)-酮

3,4-二羟基-2-硝基苯甲醛

4-(2,2,2-trichloro-1-hydroxyethyl)benzene-1,2-diol

3-溴-4,5-二羟基苄醇

5-乙炔苯并[1,3]间二氧杂环戊烯