5-acetyl-6-hydroxyspiro[1-benzofuran-2,1'-cyclopropane]-3-one

1-溴-3-甲基-2-丁烯

4-(苄氧基)-2-羟基苯甲酸甲酯

methyl 5-acetyl-4-hydroxy-2-<(tetrahydro-2-oxo-3-furanyl)oxy>benzoate

4-Benzyloxy-2-(2-oxo-tetrahydro-furan-3-yloxy)-benzoic acid methyl ester