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专利名称：AND A PROCESS FOR THEIR PREPARATION发明人：GUNTHER KINAST,MICHAEL BOBERG,KARL-GEORG METZGER,HANS-JOACHIM ZEILER
申请号：AU2044783申请日：19831021公开号：AU2044783A公开日：19840503
摘要：Antibacterially active cephalosporins of the formula in which R1 denotes C1-C6-alkyl, phenyl or halogen-substituted phenyl, and R2 and R3, which can be identical ordifferent, denote H, C1-C4-alkyl, chlorine, bromine, carbamoyl or N-C1-C4-alkylcarbamoyl.
申请人：BAYER A.G.
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