3,4-二氧代环己-1,5-二烯-1-羧酸

ethyl 4-(3-chloropropoxy)benzoate

methyl 4-benzoyloxybenzoate

(4-methoxyphenyl) 4-hex-5-enoxybenzoate

4-[(E)-2-(2-吡啶基)乙烯基]苯酚