4-[4-(2,4-difluorophenyl)phenyl]-2-methyl-4-oxobutanoic acid

柠康酸

甲基琥珀酸酐

2-[2-(苄氧基)-2-氧代乙基]丙烯酸

5-methyl-3-(4-phenylphenyl)-1H-pyridazin-6-one