dithiecane

8-phenylsulfanyloctylsulfanylbenzene

8-bis(4-methylphenyl)phosphanyloctyl-bis(4-methylphenyl)phosphane

8-bromooctoxymethylbenzene

1,1,10,10,19,19,28,28-octaphenyl-1,10,19,28-tetrastannacyclohexatricontane