2,2,4-trimethyl-1,1-bis(trimethylsilyl)-2-germa-4-pentene

2,2,6,6-tetramethyl-4-methylene-1,1,7,7-tetrakis(trimethylsilyl)-2,6-digermaheptane

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

((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)