5-bromo-7-ethyl-2-hydroxymethyl-2,3-dihydrobenzofuran

3-(4-bromo-3-ethyl-2-hydroxyphenyl)-1,2-epoxypropane

5-bromo-7-ethyl-2-acetoxymethyl-2,3-dihydrobenzofuran

2-acetoxymethyl-5-bromo-7-ethylbenzofuran

2-acetoxymethyl-5-bromo-7-(1-bromoethyl)benzofuran