5-Benzyloxy-1-(2-bromo-1-ethoxy-ethoxy)-2-methyl-pentan-2-ol

methyl 2,6-dimethyl-6,7-epoxyheptanoate

2-Methyl-2-(4-oxo-pentyl)-malonic acid

2-Methyl-2-[3-(2-methyl-[1,3]dioxolan-2-yl)-propyl]-malonic acid diethyl ester