2-chloro-5-methoxycyclohexa-2,5-diene-1,4-dione

1,4-dimethyl-2,3-dihydroquinoxaline

1,2,3,4-四溴-5,6-二甲氧基苯

(2-溴苯基)(3,4-二甲氧基苯基)甲酮

4-pentylbenzene-1,2-diol