4-[4-(4-carboxybenzoyl)benzoyl]benzoic acid

(Z)-2-diazonio-1-[4-[(Z)-2-diazonio-1-oxidoethenyl]phenyl]ethenolate

2-chloro-1-[4-(2-chloroacetyl)phenyl]ethanone

对苯二甲酸二丙基酯

对苯二酸二苄酯