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3,5-DIBROMO-4-HYDROXYBENZALDEHYDE CAS2973-77-5Trimethoprim (TMP) intermediates. Dibromo aldehyde is the main raw material for producing 3,4,5- trimethoxy benzaldehyde, while 3,4,5- trimethoxy benzaldehyde is a synthetic antibiotic, sulfonamide synergist trimethoprim (TMP) intermediates, thus it is a kind of important pharmaceutical intermediate.
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4-(DIMETHYLAMINO)PHENYLDIPHENYLPHOSPHINE CAS739-58-2Organic phosphorus compounds; aromatic hydrocarbons