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PROCEDURE FOR THE PRODUCTION OF CEFEMDERIVAT
PROCEDURE FOR THE PRODUCTION OF CEFEMDERIVAT
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机译:头孢地安生产的程序
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摘要
A compound of the formula IMAGE wherein R1 is amino or substituted amino, R2 is carboxy or protected carboxy, R3 is lower alkyl and X is -S- or IMAGE or a pharmaceutically acceptable salt thereof is effective against various microorganisms.
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