The present invention relates to novel Syn isomers of racemates and optical isomers of 3-(heteroaryl acetamido)-2-oxo-azetidine-1-sulfonic acids of formula (I) and its use in treating the infections caused by gram-negative pathogenic bacteria.
本发明涉及公认异构体和光学异构体的新型Syn同分异构体,即公式(I)的3-(杂环基乙酰胺基)-2-氧代-氮杂环-1-
磺酸的同分异构体,并且其在治疗由革兰氏阴性致病菌引起的感染中的用途。