methyl 4-(4-acetyl-2-methoxyphenoxy)butanoate

methyl 4-(4-acetyl-2-methoxy-5-nitrophenoxy)butyrate

4-(4-acetyl-2-methoxy-5-nitrophenoxy)butanoic acid

4-(4-乙酰基-2-甲氧基-5-硝基苯氧基)丁酸乙酯

ethyl 4-(4-(1-hydroxyethyl)-2-methoxyphenoxy)butanoate