(-)-(6R,7R)-7-(2-((Difluoromethyl)thio)acetamido)-3-(((1-(2-hydroxyethyl)-1H-tetrazol-5-yl)thio)methyl)-7-methoxy-8-oxo-5-oxa-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid 99665-00-6 Flomoxef Flomoxef [INN] Flomoxefo [Spanish] Flomoxefum [Latin] S 6315