A beta-lactam compound of the formula: ##STR1## or a pharmaceutically acceptable salt thereof, which is useful as an anti-microbial agent or an intermediate in the synthesis of anti-microbial agents.
一种β-内酰胺化合物,
化学式为:##STR1##或其药学上可接受的盐,可用作抗微
生物剂或合成抗微
生物剂的中间体。