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nature : contain nuclear common home -- 6-Amino Acid Derivatives different side chain. It is an important class of beta-lactam antibiotics. The penicillin-type name to penicillin is a common structure : R for the side chain of penicillin molecule. R is different in the different type of penicillin. R = R '= H when it is 6 - APA. R 'is different in various types of salts of penicillin or ester derivatives. Many types of commonly used penicillin G, penicillin V and penicillin resistant Staphylococcus aureus (such as oxacillin), ampicillin and antiviral leave single spore actinomycin, and the US-resistant, such as methicillin-resistant. Benzyl penicillin can be made of a unique efficacy of the various salts and esters, such as procaine penicillin and two benzyl penicillin G ethylenediamine (commonly known as a long-term resistance) is long-term. Penicillin in various clinical uses a unique, against Gram-positive bacteria such as Staphylococcus aureus, Streptococcus pneumoniae bacteria, meningococcal meningitis, Neisseria gonorrhoeae, such as a strong inhibitory effect. Indications pneumonia, lobar pneumonia, lung scent, tracheitis, bronchitis, meningitis, otitis media, erysipelas, osteomyelitis, arthritis, peritonitis, endocarditis, septicemia, gonorrhea, scarlet fever, gas gangrene, puerperal fever, syphilis, trauma. Apart from culture fluid extraction, but also can be different for the side chain precursors biosynthesis, or 6-aminopenicillanic acid side chains with different synthetic and semi-prepared.
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