167645-50-3
→
~93%
167645-47-8
4-oxo-5-phenylmethoxypentanoic acid
3587-60-8
苄基氯甲基醚
66274-27-9
5-hydroxy-4-oxopentanoic acid methyl ester
53856-93-2
methyl 5-bromo-4-oxopentanoate