1-ethoxy-4-[2-(4-ethoxyphenyl)ethenyl]benzene

2-氯-N-(2-氯乙酰基)乙酰胺

bis(4-ethoxyphenyl)methanone

(4-乙氧基苯基)(4-甲氧基苯基)甲酮

2,4-二氯苯乙醚