77903-42-5
methyl 2-(tert-butyl)-2-((trimethylsilyl)oxy)cyclopropane-1-carboxylate
→
~98%
82884-42-2
methyl 2-bromo-5,5-dimethyl-4-oxohexanoate
82892-98-6
methyl 3-bromo-5,5-dimethyl-4-oxohexanoate