5-bromo-7-(1-bromoethyl)-2-trimethylacetoxymethylbenzofuran

5-bromo-2-trimethylacetoxymethyl-7-(1-hydroxyethyl)benzofuran

2-<(2-tert-butylamino-1-hydroxyethyl)-5-bromobenzofuran-7-yl>-2-methyl-1,3-dioxolane

5-bromo-7-(1-acetoxyethyl)-2-trimethylacetoxymethylbenzofuran

2-(5-bromo-2-trimethylacetoxymethylbenzofuran-7-yl)-2-methyl-1,3-dioxolane