(6R,7R)-3-(acetoxymethyl)-7-((Z)-4-bromo-2-(methoxyimino)-3-oxobutanamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
(6R,7R)-3-(acetoxymethyl)-7-((Z)-4-bromo-2-(methoxyimino)-3-oxobutanamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid