Pentamethylphenyl dihydrotrisiloxane IOTA 2238

Hydride terminated polydiphenylsiloxane IOTA 231

1,1,5,5-Tetramethyl-3,3-diphenyl-trisiloxane IOTA 232

Phenylsilsesquioxanes hydrogen-terminated IOTA 233

Phenyl-tris(dimethylsiloxy)silane IOTA 235

Diphenyl tetrasiloxane IOTA 234