英文别名Intermediate 1 of Latamoxef Sodium; 5-Oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-(benzoylamino)-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-, diphenylmethyl ester, (6R,7R)-; (6R;7R)-7-(Benzoylamino)-7-methoxy-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid diphenylmethyl ester