发明公开
EP1134222A1 IMIDAZO[4,5-b]PYRIDINIUMMETHYL-CONTAINING CEPHEM COMPOUNDS HAVING BROAD ANTIBACTERIAL SPECTRUM 有权
WITH A咪唑并[4,5-B]吡啶鎓甲基REST THAT广谱抗菌作用HAVE头孢烯

IMIDAZO[4,5-b]PYRIDINIUMMETHYL-CONTAINING CEPHEM COMPOUNDS HAVING BROAD ANTIBACTERIAL SPECTRUM
摘要:
A cefem compound of the formula (I) shows wide antibacterial spectrum against various pathogenic bacteria including MRSA.
wherein, X is N or CY and Y is H or halogen; R 1 is amino or protected amino; R 2 is hydrogen or optionally substituted lower alkyl etc.; R 3 is hydrogen etc.; R 4 is hydrogen, optionally substituted lower alkyl, or optionally substituted N-containing heterocyclic group etc.; R 5 is hydrogen etc.; and a wavy line means syn- or anti-isomerism or a mixture thereof.
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