2,4-二氯苯肼

4-(4-chlorophenyl)-2-[(2,4-dichlorophenyl)-hydrazono]-3-methyl-4-oxobutyric acid ethyl ester

2,4-dichlorobenzenediazonium,chloride

ethyl [2-acetyl-4-(4-chlorophenyl)-3-methyl-4-oxo]butyrate

2 -溴- 4 -氯苯丙酮