96-48-0
γ-丁内酯
→
56489-06-6
4-Bromobutyrylbromide
105174-48-9
4-bromo-1-(3,4-dimethoxyphenyl)butan-1-one
24070-52-8
4-bromo-1-phenylbutan-1-one
2969-81-5
4-溴丁酸乙酯