1-Buta-1,3-diynyl-3,5-bis-(tert-butyl-dimethyl-silanyloxy)-benzene

1,3-Bis-(tert-butyl-dimethyl-silanyloxy)-5-[(triisopropylsilanyl)-ethynyl]-benzene

1,3-Bis-(tert-butyl-dimethyl-silanyloxy)-5-octa-1,3,5,7-tetraynyl-benzene

1,3-Bis-(tert-butyl-dimethyl-silanyloxy)-5-(6-trimethylsilanyl-hexa-1,3,5-triynyl)-benzene

1,3-Bis-(tert-butyl-dimethyl-silanyloxy)-5-deca-1,3,5,7,9-pentaynyl-benzene