Organic Intermediates, Tetraphenylphosphonium Bromide, Buformin Hydrochloride, Oxindole, Specialty Chemicals, Crown Ethers, Mercaptobenzoxazole, Clofibric Acid, Dimethylbenzene, Heptanenitrile, Phenoxy Isobutyric Acid, 6-Bromo-2-Naphthol, Aminoethyl Morpholine, Propoxybenzoic Acid, Dimethylamino Benzophenone, Methylthio Benzoxazole, Chloro-2-Benzimidazolone, Benzyloxy Phenyl Acetic Acid, Aminophenyl Ethylamine