4-(3,5-dimethyl-4-((4-nitrobenzyl)oxy)phenyl)-4-oxobutanoic acid

N-羟基丁二酰亚胺

4-[3,5-dimethyl-4-(4-nitro-benzyloxy)-phenyl]-4-oxo-butyric acid methyl ester

4-(4-hydroxy-3,5-dimethylphenyl)-4-oxobutyric acid methyl ester

4-(4-methoxy-3,5-dimethylphenyl)-4-oxobutyric acid methyl ester