{1-[5-(2,2-dimethyl-3-oxo-butyl)-isoxazol-3-yl]-1-methyl-ethyl}-malonic acid dimethyl ester

2-methyl-2-{5-[2-methyl-2-(2-methyl-[1,3]dioxolan-2-yl)-propyl]-isoxazol-3-yl}-propan-1-ol

3-methyl-3-{5-[2-methyl-2-(2-methyl-[1,3]dioxolan-2-yl)-propyl]-isoxazol-3-yl}-butyronitrile

3-methyl-3-{5-[2-methyl-2-(2-methyl-[1,3]dioxolan-2-yl)-propyl]-isoxazol-3-yl}-butyric acid methyl ester

2-methyl-2-{5-[2-methyl-2-(2-methyl-[1,3]dioxolan-2-yl)-propyl]-isoxazol-3-yl}-1-(toluene-4-sulfonyloxy)-propane