ethyl 4-(3-chloro-4-methoxyphenyl)sulfanyl-3-oxobutanoate

3-羟基苯乙酮

1-(4-氯-3-羟基苯基)-乙酮

3-(2,4,5-trimethyl-1,3-dioxolan-2-yl)phenol

3-(3'-hydroxy-4'-chlorofenyl)-2-mercapto-2-butenoic acid