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melting point : 168 ~ 172 ° C
characters : the white crystalline powder, odorless and taste slightly bitter flavor.
dissolved : insoluble in water, soluble in dilute hydrochloric acid, sodium hydroxide solution or aqueous ammonia China.
purposes : sulfa drug. Broad spectrum antibiotic, antibacterial effect, and the majority of Gram-positive and negative bacteria have antibacterial effect. Apply to the respiratory, urinary and intestinal infections. Bacteria can hinder growth of Staphylococcus aureus and Escherichia coli particularly strong. Feed additives used to good effect fowl cholera.
preparation or sources : oxalic acid esterification with ethanol, acetone, sodium methoxide condensation, cyclization, amination, eliminate, in 3-amino-5-methyl-isoxazole, and then of paracetamol benzenesulfonyl chloride reduction, derived by hydrolysis refined. POM also used the law can be obtained.
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