2,2-dipropyl-2,3-dihydro-1H-benzo[c]silole
2-methoxy-2-phenyl-2,3-dihydro-1H-benzo[c]silole
4(5)-(2-methyl-2,3-dihydro-2-silainden-2-yl)-1-triphenylmethylimidazole
4(5)-(2-ethyl-2,3-dihydro-2-silainden-2-yl)-1-triphenylmethylimidazole
2-methyl-2-phenyl-2,3-dihydro-1H-benzo[c]silole