2,2,4,4,6,6,8,8-octamethyl-1,5,2,4,6,8-dithiatetragermocane

二苯基甲烷硫酮

2,2,3,3-tetramethyl-2,3-digerma-1,4-dithiane

2,3-二甲基-1,3-丁二烯

硫化氢