6-(4-acetamidophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one

6-(4-fluorophenyl)-5-methyl-4,5-dihydropyridazin-3(2H)-one

白屈菜酸

1,5-二(二甲基氨基)-1,4-戊二烯-3-酮