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1982-01-26
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1976-03-23
Method for the production of cephalosporins
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1969-04-01
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1980-10-07
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1988-08-16
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1982-07-20
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1981-01-23
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1999-03-03
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1981-03-31
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1990-03-13
7-Beta-substituted 3-lower alkanoylacetoxy-methyl-7-alpha-methoxy-3-cephem-4-carboxylic acid
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1980-12-30
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1983-10-19
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1992-09-18
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1989-05-01
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1982-06-01
Process for producing cephalosporin analogs
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1991-02-12
UCN-1028A and UCN-1028C and process for the production thereof
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1993-12-15
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2007-05-23
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1983-06-27
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1983-02-22
ノジリマイシン b ノ セイゾウホウ
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1991-03-22