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4,4'-Methylenedianiline Triphenylmethyl Chloride Triphenylphosphine Dibenzoylmethane Sodium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate Tetrapropoxysilane 1,1,2,2-Tetrakis(4-bromophenyl)ethene Pentaerythritol Tetra(3-mercaptopropionate) Tetrakis(4-aminophenyl)methane 4-[tris(4-formylphenyl)methyl]benzaldehyde