1,1-diphenylgermetane

7-(3-溴丙基)-3,7-二氢-1,3-二甲基-1H-嘌呤-2,6-二酮

1,3-bis(7-theophyllinyl)propane

2-(1,3-dithian-2-ylidene)propanedinitrile

N,N'-ditert-butylpropane-1,3-diamine