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Method for the preparation of rifamycin af and its derivatives
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Method of acylureidothiazol derivatives synthesis
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Process for producing ureido-thiazol derivatives and pharmaceutical compositions containing them
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Method for the preparation of cephalosporine compounds
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Method for filtrating of tobramicyne
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Method for processing a cultuvated liquid
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Method for preparing of neomicyne
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Method for preparing of apramycin
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Method for processing of water- containing cultural liquids at an antibiotic manufacture
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