67977-91-7

Oxacephem nucleus Flomoxef main chain (2R,6R,7R)-7-(Benzoylamino)-3-methylene-8-oxo-5-oxa-1-azabic... (2R,6R,7R)-7-(Benzoylamino)-3-methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane- (2R,6R,7R)-Benzhydryl 7-benzaMido-3-Methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylate Benzhydryl (2r,6r,7r)-7-benzamido-3-methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylate (2R,6R,7R)-7-(BenzoylaMino)-3-Methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid diph (6R,7R)-7-aMino-3-[(z)-2-(4-Methylthiazol-5-yl]ethenyl-8-oxo-5-thia-1-azabicylo [4.2.0]oct-2-ene-2-carboxylic acid (2R,6R,7R)-7-(Benzoylamino)-3-methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid diphenylmethyl ester 5-Oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid, 7-(benzoylamino)-3-methylene-8-oxo-, diphenylmethyl ester, (2R,6R,7R)- (2R,6R,7R)-7-(Benzoylamino)-3-methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid diphenylmethyl ester octane- Oxacephem nucleus (2R,6R,7R)-7-(Benzoylamino)-3-methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid diphenylmethyl ester