((dimethyl(3-methyl-2-methylenebut-3-en-1-yl)germyl)methylene)bis(trimethylsilane)

(1,1,4,5-tetramethyl-1,2,3,6-tetrahydrogermine-2,2-diyl)bis(trimethylsilane)

(methoxydimethylgermyl)bis(trimethylsilyl)methane

(1,1,3,3-tetramethyl-1,3-digermetane-2,2,4,4-tetrayl)tetrakis(trimethylsilane)

(butyldimethylgermyl)bis(trimethylsilyl)methane