乙基4-(3,4-二氯苯基)-4-氧代丁酸酯

(E)-4-(3,4-二氯苯基)-4-氧代-丁-2-烯酸

3-(3,4-dichlorophenyl)-1H-pyridazin-6-one

4-(3,4-dichlorophenyl)-4-oxo-2-(4-antipyrinyl)butanoic acid

6-(3,4-dichlorophenyl)-4,5-dihydro-3(2H)-pyridazinone