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5,10,15,20-TETRAKIS(4-HYDROXYPHENYL)-21H,23H-PORPHINE CAS51094-17-8Organic ligand compounds
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2-Hydroxyphenylacetic acid CAS614-75-5As an important intermediate in pharmaceutical synthesis
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4-Hydroxyphenyl hydantoin CAS2420-17-9Used for synthesis of hydroxy phenyl glycine, thus further preparation of semi-synthetic penicillin and cephalosporin.