116248-24-9Relevant articles and documents
Cephem compounds
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, (2008/06/13)
The invention relates to an antimicrobial compound of the formula: STR1 wherein R1 is amino or a protected amino group, R2 is lower alkyl, lower alkenyl, carboxy (lower) alkyl or protected carboxy(lower)alkyl, R3 is hydrogen, lower alkyl, hydroxy(lower)alkyl, protected hydroxy(lower)alkyl, amino(lower)alkyl, protected amino(lower)alkyl or lower alkanoyl, R4 is hydrogen, lower alkyl or lower alkylthio, and Z is N or CH or a pharmaceutically acceptable salt thereof.