107220-02-0
2-Bromo-5-oxo-1-cyclopentene-1-heptanoic Acid Methyl Ester
→
~52%
118268-15-8
methyl 7-(2,3dibromo-5-oxo-1-cyclopentenyl)heptanoate
118268-13-6
7-(2-bromo-5-oxo-1-cyclopentenyl)heptanoic acid