2-hydroxy-4',5-dimethoxy-diphenylether

(1Z,4Z)-N,N'-二苯基-2,5-环己二烯-1,4-二亚胺

2,5-二氯-3,6-二(苯基氨基)环己-2,5-二烯-1,4-二酮

四氯对醌

6-chloro-3-methylquinoline-5,8-dione