New monobactam antibiotics compounds which contain an 3-amino-azetidin-2-one ring and are active against gram-negative bacteria, wherein the compounds include the compound 2-(2-amino-thiazol-4-yl)-2-[(Z)-(1H,4H-1,5-dihydroxy-4-oxo-pyridin-2-yl)methoxyimino]-N-[3(S)-1-oxysulfonyl-2,2-dimethyl-4-oxo-azetidin-3-yl]acetamide.
                            含有3-
氨基氮杂
环戊烷-2-酮环的新单环内酰胺类抗生素化合物,对革兰氏阴性菌具有活性,其中化合物包括化合物2-(
2-氨基噻唑-4-基)-2-[(Z)-(1H,4H-1,5-二羟基-4-氧代
吡啶-2-基)甲氧基
亚胺基]-N-[3(S)-1-氧代磺酰基-2,2-二甲基-4-氧代氮杂
环戊烷-3-基]乙酰胺。