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ERIOCHROME BLUE BLACK B CAS3564-14-5Do the indicator of complexometric titration. When used with alcohol or aqueous solution, for the determination of calcium, magnesium, manganese, zinc and other metal ions, determination of the water hardness.
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Erythromycin Ethyl succinate CAS1264-62-6Antibiotic medicine, mainly used for penicillin resistant staphylococcus aureus infection.
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Erythromycin stearate CAS643-22-1Antibiotic medicines used in penicillin resistant Staphylococcus aureus infection
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Ethyl 4,4,4-trifluoroacetoacetate CAS372-31-6Used as a pesticide and pharmaceutical intermediates.