[(dimethyl-1',1' ethyl)thio]-1 trimethylsilyl-1 methyl-3 butene-1 ol-3

(Z)-1-methoxy-3-methyl-1-trimethylsilyl-1,3-butadiene

1-(1-Ethoxyethoxy)-1-trimethylsilyl-3-methyl-1,2-butadiene

3-methyl-1-(1,3-dithian-2-yl)-1-trimethylsilylpropene

1-methoxy-3-methylbuta-1,3-diene